Mercurial > kallithea
changeset 4043:a1bc4af25ec5
Implemented issue #387 side-by-side diffs view
author | Marcin Kuzminski <marcin@python-works.com> |
---|---|
date | Wed, 26 Jun 2013 19:07:32 +0200 |
parents | af3c746b3f1f |
children | af733fa965b0 |
files | rhodecode/config/routing.py rhodecode/controllers/files.py rhodecode/lib/helpers.py rhodecode/public/css/mergerly.css rhodecode/public/js/jquery.1.10.1.min.js rhodecode/public/js/mergerly.js rhodecode/templates/changeset/diff_block.html rhodecode/templates/files/diff_2way.html |
diffstat | 8 files changed, 1673 insertions(+), 11 deletions(-) [+] |
line wrap: on
line diff
--- a/rhodecode/config/routing.py Wed Jun 26 14:29:49 2013 +0200 +++ b/rhodecode/config/routing.py Wed Jun 26 19:07:32 2013 +0200 @@ -652,6 +652,10 @@ controller='files', action='diff', revision='tip', f_path='', conditions=dict(function=check_repo)) + rmap.connect('files_diff_2way_home', '/{repo_name:.*?}/diff-2way/{f_path:.*}', + controller='files', action='diff_2way', revision='tip', f_path='', + conditions=dict(function=check_repo)) + rmap.connect('files_rawfile_home', '/{repo_name:.*?}/rawfile/{revision}/{f_path:.*}', controller='files', action='rawfile', revision='tip',
--- a/rhodecode/controllers/files.py Wed Jun 26 14:29:49 2013 +0200 +++ b/rhodecode/controllers/files.py Wed Jun 26 19:07:32 2013 +0200 @@ -37,7 +37,7 @@ from rhodecode.lib import diffs from rhodecode.lib import helpers as h -from rhodecode.lib.compat import OrderedDict +from rhodecode.lib.compat import OrderedDict, json from rhodecode.lib.utils2 import convert_line_endings, detect_mode, safe_str,\ str2bool from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator @@ -609,6 +609,77 @@ return render('files/file_diff.html') + @LoginRequired() + @HasRepoPermissionAnyDecorator('repository.read', 'repository.write', + 'repository.admin') + def diff_2way(self, repo_name, f_path): + diff1 = request.GET.get('diff1', '') + diff2 = request.GET.get('diff2', '') + try: + if diff1 not in ['', None, 'None', '0' * 12, '0' * 40]: + c.changeset_1 = c.rhodecode_repo.get_changeset(diff1) + try: + node1 = c.changeset_1.get_node(f_path) + if node1.is_dir(): + raise NodeError('%s path is a %s not a file' + % (node1, type(node1))) + except NodeDoesNotExistError: + c.changeset_1 = EmptyChangeset(cs=diff1, + revision=c.changeset_1.revision, + repo=c.rhodecode_repo) + node1 = FileNode(f_path, '', changeset=c.changeset_1) + else: + c.changeset_1 = EmptyChangeset(repo=c.rhodecode_repo) + node1 = FileNode(f_path, '', changeset=c.changeset_1) + + if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]: + c.changeset_2 = c.rhodecode_repo.get_changeset(diff2) + try: + node2 = c.changeset_2.get_node(f_path) + if node2.is_dir(): + raise NodeError('%s path is a %s not a file' + % (node2, type(node2))) + except NodeDoesNotExistError: + c.changeset_2 = EmptyChangeset(cs=diff2, + revision=c.changeset_2.revision, + repo=c.rhodecode_repo) + node2 = FileNode(f_path, '', changeset=c.changeset_2) + else: + c.changeset_2 = EmptyChangeset(repo=c.rhodecode_repo) + node2 = FileNode(f_path, '', changeset=c.changeset_2) + except (RepositoryError, NodeError): + log.error(traceback.format_exc()) + return redirect(url('files_home', repo_name=c.repo_name, + f_path=f_path)) + if node2.is_binary: + node2_content = 'binary file' + else: + node2_content = node2.content + + if node1.is_binary: + node1_content = 'binary file' + else: + node1_content = node1.content + + html_escape_table = { + "&": "\u0026", + '"': "\u0022", + "'": "\u0027", + ">": "\u003e", + "<": "\<", + '\\': "\u005c", + '\n': '\\n' + } + + c.orig1 = h.html_escape((node1_content), html_escape_table) + c.orig2 = h.html_escape((node2_content), html_escape_table) + c.node1 = node1 + c.node2 = node2 + c.cs1 = c.changeset_1 + c.cs2 = c.changeset_2 + + return render('files/diff_2way.html') + def _get_node_history(self, cs, f_path, changesets=None): """ get changesets history for given node
--- a/rhodecode/lib/helpers.py Wed Jun 26 14:29:49 2013 +0200 +++ b/rhodecode/lib/helpers.py Wed Jun 26 19:07:32 2013 +0200 @@ -55,17 +55,16 @@ log = logging.getLogger(__name__) -html_escape_table = { - "&": "&", - '"': """, - "'": "'", - ">": ">", - "<": "<", -} - - -def html_escape(text): +def html_escape(text, html_escape_table=None): """Produce entities within text.""" + if not html_escape_table: + html_escape_table = { + "&": "&", + '"': """, + "'": "'", + ">": ">", + "<": "<", + } return "".join(html_escape_table.get(c, c) for c in text)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rhodecode/public/css/mergerly.css Wed Jun 26 19:07:32 2013 +0200 @@ -0,0 +1,41 @@ + +/* required */ +.mergely-column textarea { width: 80px; height: 200px; } +.mergely-column { float: left; } +.mergely-margin { float: left; } +.mergely-canvas { float: left; width: 28px; } + +/* resizeable */ +.mergely-resizer { width: 100%; height: 100%; } + +/* style configuration */ +.mergely-column { border: 1px solid #ccc; } +.mergely-active { border: 1px solid #a3d1ff; } + +.mergely.a.rhs.start { border-top: 1px solid #ddffdd; } +.mergely.a.lhs.start.end, +.mergely.a.rhs.end { border-bottom: 1px solid #ddffdd; } +.mergely.a.rhs { background-color: #ddffdd; } +.mergely.a.lhs.start.end.first { border-bottom: 0; border-top: 1px solid #ddffdd; } + +.mergely.d.lhs { background-color: #edc0c0; } +.mergely.d.lhs.end, +.mergely.d.rhs.start.end { border-bottom: 1px solid #ffdddd; } +.mergely.d.rhs.start.end.first { border-bottom: 0; border-top: 1px solid #ffdddd; } +.mergely.d.lhs.start { border-top: 1px solid #ffdddd; } + +.mergely.c.lhs, +.mergely.c.rhs { background-color: #fafafa; } +.mergely.c.lhs.start, +.mergely.c.rhs.start { border-top: 1px solid #a3a3a3; } +.mergely.c.lhs.end, +.mergely.c.rhs.end { border-bottom: 1px solid #a3a3a3; } + +.mergely.ch.a.rhs { background-color: #ddffdd; } +.mergely.ch.d.lhs { background-color: #ffdddd; } + + +.mergely-margin #compare-lhs-margin, +.mergely-margin #compare-rhs-margin{ + cursor: pointer +}
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rhodecode/public/js/mergerly.js Wed Jun 26 19:07:32 2013 +0200 @@ -0,0 +1,1460 @@ +Mgly = {}; + +Mgly.Timer = function(){ + var self = this; + self.start = function() { self.t0 = new Date().getTime(); } + self.stop = function() { + var t1 = new Date().getTime(); + var d = t1 - self.t0; + self.t0 = t1; + return d; + } + self.start(); +} + +Mgly.ChangeExpression = new RegExp(/(\d+(?:,\d+)?)([acd])(\d+(?:,\d+)?)/); + +Mgly.DiffParser = function(diff) { + var changes = []; + var change_id = 0; + // parse diff + var diff_lines = diff.split(/\n/); + for (var i = 0; i < diff_lines.length; ++i) { + if (diff_lines[i].length == 0) continue; + var change = {}; + var test = Mgly.ChangeExpression.exec(diff_lines[i]); + if (test == null) continue; + // lines are zero-based + var fr = test[1].split(','); + change['lhs-line-from'] = fr[0] - 1; + if (fr.length == 1) change['lhs-line-to'] = fr[0] - 1; + else change['lhs-line-to'] = fr[1] - 1; + var to = test[3].split(','); + change['rhs-line-from'] = to[0] - 1; + if (to.length == 1) change['rhs-line-to'] = to[0] - 1; + else change['rhs-line-to'] = to[1] - 1; + change['op'] = test[2]; + changes[change_id++] = change; + } + return changes; +} + +Mgly.sizeOf = function(obj) { + var size = 0, key; + for (key in obj) { + if (obj.hasOwnProperty(key)) size++; + } + return size; +} + +Mgly.LCS = function(x, y) { + this.x = x.replace(/[ ]{1}/g, '\n'); + this.y = y.replace(/[ ]{1}/g, '\n'); +} +jQuery.extend(Mgly.LCS.prototype, { + clear: function() { this.ready = 0; }, + diff: function(added, removed) { + var d = new Mgly.diff(this.x, this.y, retain_lines = true, ignore_ws = false); + var changes = Mgly.DiffParser(d.normal_form()); + var li = 0, lj = 0; + for (var i = 0; i < changes.length; ++i) { + var change = changes[i]; + if (change.op != 'a') { + // find the starting index of the line + li = d.lhs_lines.slice(0, change['lhs-line-from']).join(' ').length; + // get the index of the the span of the change + lj = change['lhs-line-to'] + 1; + // get the changed text + var lchange = d.lhs_lines.slice(change['lhs-line-from'], lj).join(' '); + if (change.op == 'd') lchange += ' ';// include the leading space + else if (li > 0 && change.op == 'c') li += 1; // ignore leading space if not first word + // output the changed index and text + removed(li, li + lchange.length); + } + if (change.op != 'd') { + // find the starting index of the line + li = d.rhs_lines.slice(0, change['rhs-line-from']).join(' ').length; + // get the index of the the span of the change + lj = change['rhs-line-to'] + 1; + // get the changed text + var rchange = d.rhs_lines.slice(change['rhs-line-from'], lj).join(' '); + if (change.op == 'a') rchange += ' ';// include the leading space + else if (li > 0 && change.op == 'c') li += 1; // ignore leading space if not first word + // output the changed index and text + added(li, li + rchange.length); + } + } + } +}); +Mgly.diff = function(lhs, rhs, retain_lines, ignore_ws) { + this.diff_codes = {}; + this.max_code = 0; + var lhs_lines = lhs.split('\n'); + var rhs_lines = rhs.split('\n'); + if (lhs.length == 0) lhs_lines = []; + if (rhs.length == 0) rhs_lines = []; + + var lhs_data = new Object(); + lhs_data.data = this._diff_codes(lhs_lines, ignore_ws); + lhs_data.modified = {}; + lhs_data.length = Mgly.sizeOf(lhs_data.data); + + var rhs_data = new Object(); + rhs_data.data = this._diff_codes(rhs_lines, ignore_ws); + rhs_data.modified = {}; + rhs_data.length = Mgly.sizeOf(rhs_data.data); + + var max = (lhs_data.length + rhs_data.length + 1); + var vector_d = Array( 2 * max + 2 ); + var vector_u = Array( 2 * max + 2 ); + + this._lcs(lhs_data, 0, lhs_data.length, rhs_data, 0, rhs_data.length, vector_u, vector_d); + this._optimize(lhs_data); + this._optimize(rhs_data); + this.items = this._create_diffs(lhs_data, rhs_data); + if (retain_lines) { + this.lhs_lines = lhs_lines; + this.rhs_lines = rhs_lines; + } +}; +jQuery.extend(Mgly.diff.prototype, { + changes: function() { return this.items; }, + normal_form: function() { + var nf = ''; + for (var index = 0; index < this.items.length; ++index) { + var item = this.items[index]; + var lhs_str = ''; + var rhs_str = ''; + var change = 'c'; + if (item.lhs_deleted_count == 0 && item.rhs_inserted_count > 0) change = 'a'; + else if (item.lhs_deleted_count > 0 && item.rhs_inserted_count == 0) change = 'd'; + + if (item.lhs_deleted_count == 1) lhs_str = item.lhs_start + 1; + else if (item.lhs_deleted_count == 0) lhs_str = item.lhs_start; + else lhs_str = (item.lhs_start + 1) + ',' + (item.lhs_start + item.lhs_deleted_count); + + if (item.rhs_inserted_count == 1) rhs_str = item.rhs_start + 1; + else if (item.rhs_inserted_count == 0) rhs_str = item.rhs_start; + else rhs_str = (item.rhs_start + 1) + ',' + (item.rhs_start + item.rhs_inserted_count); + nf += lhs_str + change + rhs_str + '\n'; + if (this.rhs_lines && this.lhs_lines) { + // if rhs/lhs lines have been retained, output contextual diff + for (var i = item.lhs_start; i < item.lhs_start + item.lhs_deleted_count; ++i) { + nf += '< ' + this.lhs_lines[i] + '\n'; + } + if (item.rhs_inserted_count && item.lhs_deleted_count) nf += '---\n'; + for (var i = item.rhs_start; i < item.rhs_start + item.rhs_inserted_count; ++i) { + nf += '> ' + this.rhs_lines[i] + '\n'; + } + } + } + return nf; + }, + _diff_codes: function(lines, ignore_ws) { + var code = this.max_code; + var codes = {}; + for (var i = 0; i < lines.length; ++i) { + var line = lines[i]; + if (ignore_ws) { + line = line.replace(/\s+/g, ''); + } + var aCode = this.diff_codes[line]; + if (aCode != undefined) { + codes[i] = aCode; + } + else { + this.max_code++; + this.diff_codes[line] = this.max_code; + codes[i] = this.max_code; + } + } + return codes; + }, + _lcs: function(lhs, lhs_lower, lhs_upper, rhs, rhs_lower, rhs_upper, vector_u, vector_d) { + while ( (lhs_lower < lhs_upper) && (rhs_lower < rhs_upper) && (lhs.data[lhs_lower] == rhs.data[rhs_lower]) ) { + ++lhs_lower; + ++rhs_lower; + } + while ( (lhs_lower < lhs_upper) && (rhs_lower < rhs_upper) && (lhs.data[lhs_upper - 1] == rhs.data[rhs_upper - 1]) ) { + --lhs_upper; + --rhs_upper; + } + if (lhs_lower == lhs_upper) { + while (rhs_lower < rhs_upper) { + rhs.modified[ rhs_lower++ ] = true; + } + } + else if (rhs_lower == rhs_upper) { + while (lhs_lower < lhs_upper) { + lhs.modified[ lhs_lower++ ] = true; + } + } + else { + var sms = this._sms(lhs, lhs_lower, lhs_upper, rhs, rhs_lower, rhs_upper, vector_u, vector_d); + this._lcs(lhs, lhs_lower, sms.x, rhs, rhs_lower, sms.y, vector_u, vector_d); + this._lcs(lhs, sms.x, lhs_upper, rhs, sms.y, rhs_upper, vector_u, vector_d); + } + }, + _sms: function(lhs, lhs_lower, lhs_upper, rhs, rhs_lower, rhs_upper, vector_u, vector_d) { + var max = lhs.length + rhs.length + 1; + var kdown = lhs_lower - rhs_lower; + var kup = lhs_upper - rhs_upper; + var delta = (lhs_upper - lhs_lower) - (rhs_upper - rhs_lower); + var odd = (delta & 1) != 0; + var offset_down = max - kdown; + var offset_up = max - kup; + var maxd = ((lhs_upper - lhs_lower + rhs_upper - rhs_lower) / 2) + 1; + vector_d[ offset_down + kdown + 1 ] = lhs_lower; + vector_u[ offset_up + kup - 1 ] = lhs_upper; + var ret = {x:0,y:0}; + for (var d = 0; d <= maxd; ++d) { + for (var k = kdown - d; k <= kdown + d; k += 2) { + var x, y; + if (k == kdown - d) { + x = vector_d[ offset_down + k + 1 ];//down + } + else { + x = vector_d[ offset_down + k - 1 ] + 1;//right + if ((k < (kdown + d)) && (vector_d[ offset_down + k + 1 ] >= x)) { + x = vector_d[ offset_down + k + 1 ];//down + } + } + y = x - k; + // find the end of the furthest reaching forward D-path in diagonal k. + while ((x < lhs_upper) && (y < rhs_upper) && (lhs.data[x] == rhs.data[y])) { + x++; y++; + } + vector_d[ offset_down + k ] = x; + // overlap ? + if (odd && (kup - d < k) && (k < kup + d)) { + if (vector_u[offset_up + k] <= vector_d[offset_down + k]) { + ret.x = vector_d[offset_down + k]; + ret.y = vector_d[offset_down + k] - k; + return (ret); + } + } + } + // Extend the reverse path. + for (var k = kup - d; k <= kup + d; k += 2) { + // find the only or better starting point + var x, y; + if (k == kup + d) { + x = vector_u[offset_up + k - 1]; // up + } else { + x = vector_u[offset_up + k + 1] - 1; // left + if ((k > kup - d) && (vector_u[offset_up + k - 1] < x)) + x = vector_u[offset_up + k - 1]; // up + } + y = x - k; + while ((x > lhs_lower) && (y > rhs_lower) && (lhs.data[x - 1] == rhs.data[y - 1])) { + // diagonal + x--; + y--; + } + vector_u[offset_up + k] = x; + // overlap ? + if (!odd && (kdown - d <= k) && (k <= kdown + d)) { + if (vector_u[offset_up + k] <= vector_d[offset_down + k]) { + ret.x = vector_d[offset_down + k]; + ret.y = vector_d[offset_down + k] - k; + return (ret); + } + } + } + } + throw "the algorithm should never come here."; + }, + _optimize: function(data) { + var start = 0, end = 0; + while (start < data.length) { + while ((start < data.length) && (data.modified[start] == undefined || data.modified[start] == false)) { + start++; + } + end = start; + while ((end < data.length) && (data.modified[end] == true)) { + end++; + } + if ((end < data.length) && (data.data[start] == data.data[end])) { + data.modified[start] = false; + data.modified[end] = true; + } + else { + start = end; + } + } + }, + _create_diffs: function(lhs_data, rhs_data) { + var items = []; + var lhs_start = 0, rhs_start = 0; + var lhs_line = 0, rhs_line = 0; + + while (lhs_line < lhs_data.length || rhs_line < rhs_data.length) { + if ((lhs_line < lhs_data.length) && (!lhs_data.modified[lhs_line]) + && (rhs_line < rhs_data.length) && (!rhs_data.modified[rhs_line])) { + // equal lines + lhs_line++; + rhs_line++; + } + else { + // maybe deleted and/or inserted lines + lhs_start = lhs_line; + rhs_start = rhs_line; + + while (lhs_line < lhs_data.length && (rhs_line >= rhs_data.length || lhs_data.modified[lhs_line])) + lhs_line++; + + while (rhs_line < rhs_data.length && (lhs_line >= lhs_data.length || rhs_data.modified[rhs_line])) + rhs_line++; + + if ((lhs_start < lhs_line) || (rhs_start < rhs_line)) { + // store a new difference-item + var aItem = new Object(); + aItem.lhs_start = lhs_start; + aItem.rhs_start = rhs_start; + aItem.lhs_deleted_count = lhs_line - lhs_start; + aItem.rhs_inserted_count = rhs_line - rhs_start; + items.push(aItem); + } + } + } + return items; + } +}); + +Mgly.mergely = function(el, options) { + CodeMirror.defineExtension('centerOnCursor', function() { + var coords = this.cursorCoords(null, 'local'); + this.scrollTo(null, + (coords.y + coords.yBot) / 2 - (this.getScrollerElement().clientHeight / 2)); + }); + + if (el) { + this.init(el, options); + } +}; + +jQuery.extend(Mgly.mergely.prototype, { + name: 'mergely', + //http://jupiterjs.com/news/writing-the-perfect-jquery-plugin + init: function(el, options) { + this.settings = { + autoupdate: true, + autoresize: true, + rhs_margin: 'right', + lcs: true, + sidebar: true, + viewport: false, + ignorews: false, + fadein: 'fast', + editor_width: '400px', + editor_height: '400px', + resize_timeout: 500, + change_timeout: 150, + fgcolor: {a:'#4ba3fa',c:'#a3a3a3',d:'#ff7f7f'}, + bgcolor: '#eee', + vpcolor: 'rgba(0, 0, 200, 0.2)', + lhs: function(setValue) { }, + rhs: function(setValue) { }, + loaded: function() { }, + //_auto_height: function(h) { return h - 20; }, + _auto_width: function(w) { return w; }, + resize: function(init) { + var scrollbar = init ? -15 : 0; + var w = jQuery(el).parent().width() + scrollbar; + if (this.width == 'auto') { + w = this._auto_width(w); + } + else { + w = this.width; + this.editor_width = w; + } + if (this.height == 'auto') { + //h = this._auto_height(h); + h = jQuery(el).parent().height(); + } + else { + h = this.height; + this.editor_height = h; + } + var content_width = w / 2.0 - 2 * 8 - 8; + var content_height = h; + var self = jQuery(el); + self.find('.mergely-column').css({ width: content_width + 'px' }); + self.find('.mergely-column, .mergely-canvas, .mergely-margin, .mergely-column textarea, .CodeMirror-scroll, .cm-s-default').css({ height: content_height + 'px' }); + self.find('.mergely-canvas').css({ height: content_height + 'px' }); + self.find('.mergely-column textarea').css({ width: content_width + 'px' }); + self.css({ width: w, height: h, clear: 'both' }); + if (self.css('display') == 'none') { + if (this.fadein != false) self.fadeIn(this.fadein); + else self.show(); + if (this.loaded) this.loaded(); + } + if (this.resized) this.resized(); + }, + _debug: '', //scroll,draw,calc,diff,markup,change + resized: function() { } + }; + var cmsettings = { + mode: 'text/plain', + readOnly: false, + lineWrapping: false, + lineNumbers: true, + gutters: ['merge', 'CodeMirror-linenumbers'] + } + this.lhs_cmsettings = {}; + this.rhs_cmsettings = {}; + + // save this element for faster queries + this.element = jQuery(el); + + // save options if there are any + if (options && options.cmsettings) jQuery.extend(this.lhs_cmsettings, cmsettings, options.cmsettings, options.lhs_cmsettings); + if (options && options.cmsettings) jQuery.extend(this.rhs_cmsettings, cmsettings, options.cmsettings, options.rhs_cmsettings); + if (options) jQuery.extend(this.settings, options); + + // bind if the element is destroyed + this.element.bind('destroyed', jQuery.proxy(this.teardown, this)); + + // save this instance in jQuery data + jQuery.data(el, this.name, this); + + this._setup(el); + }, + // bind events to this instance's methods + bind: function() { + var rhstx = jQuery('#' + this.id + '-rhs').get(0); + if (!rhstx) { + console.error('rhs textarea not defined - Mergely not initialized properly'); + return; + } + var lhstx = jQuery('#' + this.id + '-lhs').get(0); + if (!rhstx) { + console.error('lhs textarea not defined - Mergely not initialized properly'); + return; + } + var self = this; + this.editor = []; + + this.editor[this.id + '-lhs'] = CodeMirror.fromTextArea(lhstx, this.lhs_cmsettings); + this.editor[this.id + '-rhs'] = CodeMirror.fromTextArea(rhstx, this.rhs_cmsettings); + this.editor[this.id + '-lhs'].on('change', function(){ if (self.settings.autoupdate) self._changing(self.id + '-lhs', self.id + '-rhs'); }); + this.editor[this.id + '-lhs'].on('scroll', function(){ self._scrolling(self.id + '-lhs'); }); + this.editor[this.id + '-rhs'].on('change', function(){ if (self.settings.autoupdate) self._changing(self.id + '-lhs', self.id + '-rhs'); }); + this.editor[this.id + '-rhs'].on('scroll', function(){ self._scrolling(self.id + '-rhs'); }); + + // resize + if (this.settings.autoresize) { + var sz_timeout1 = null; + var sz = function(init) { + //self.em_height = null; //recalculate + if (self.settings.resize) self.settings.resize(init); + self.editor[self.id + '-lhs'].refresh(); + self.editor[self.id + '-rhs'].refresh(); + if (self.settings.autoupdate) { + self._changing(self.id + '-lhs', self.id + '-rhs'); + } + } + jQuery(window).resize( + function () { + if (sz_timeout1) clearTimeout(sz_timeout1); + sz_timeout1 = setTimeout(sz, self.settings.resize_timeout); + } + ); + sz(true); + } + }, + unbind: function() { + if (this.changed_timeout != null) clearTimeout(this.changed_timeout); + this.editor[this.id + '-lhs'].toTextArea(); + this.editor[this.id + '-rhs'].toTextArea(); + }, + destroy: function() { + this.element.unbind('destroyed', this.teardown); + this.teardown(); + }, + teardown: function() { + this.unbind(); + }, + lhs: function(text) { + this.editor[this.id + '-lhs'].setValue(text); + }, + rhs: function(text) { + this.editor[this.id + '-rhs'].setValue(text); + }, + update: function() { + this._changing(this.id + '-lhs', this.id + '-rhs'); + }, + unmarkup: function() { + this._clear(); + }, + scrollTo: function(side, num) { + var le = this.editor[this.id + '-lhs']; + var re = this.editor[this.id + '-rhs']; + if (side == 'lhs') { + le.setCursor(num); + le.centerOnCursor(); + } + else { + re.setCursor(num); + re.centerOnCursor(); + } + }, + options: function(opts) { + if (opts) { + jQuery.extend(this.settings, opts); + if (opts.autoresize) this.resize(); + if (opts.autoupdate) this.update(); + if (opts.hasOwnProperty('rhs_margin')) { + // dynamically swap the margin + if (opts.rhs_margin == 'left') { + this.element.find('.mergely-margin:last-child').insertAfter( + this.element.find('.mergely-canvas')); + } + else { + var target = this.element.find('.mergely-margin').last(); + target.appendTo(target.parent()); + } + } + if (opts.hasOwnProperty('sidebar')) { + // dynamically enable sidebars + if (opts.sidebar) { + jQuery(this.element).find('.mergely-margin').css({display: 'block'}); + } + else { + jQuery(this.element).find('.mergely-margin').css({display: 'none'}); + } + } + } + else { + return this.settings; + } + }, + swap: function() { + if (this.lhs_cmsettings.readOnly || this.rhs_cmsettings.readOnly) return; + var le = this.editor[this.id + '-lhs']; + var re = this.editor[this.id + '-rhs']; + var tmp = re.getValue(); + re.setValue(le.getValue()); + le.setValue(tmp); + }, + merge: function(side) { + var le = this.editor[this.id + '-lhs']; + var re = this.editor[this.id + '-rhs']; + if (side == 'lhs' && !this.lhs_cmsettings.readOnly) le.setValue(re.getValue()); + else if (!this.rhs_cmsettings.readOnly) re.setValue(le.getValue()); + }, + get: function(side) { + var ed = this.editor[this.id + '-' + side]; + var t = ed.getValue(); + if (t == undefined) return ''; + return t; + }, + clear: function(side) { + if (side == 'lhs' && this.lhs_cmsettings.readOnly) return; + if (side == 'rhs' && this.rhs_cmsettings.readOnly) return; + var ed = this.editor[this.id + '-' + side]; + ed.setValue(''); + }, + cm: function(side) { + return this.editor[this.id + '-' + side]; + }, + search: function(side, query, direction) { + var le = this.editor[this.id + '-lhs']; + var re = this.editor[this.id + '-rhs']; + var editor; + if (side == 'lhs') editor = le; + else editor = re; + direction = (direction == 'prev') ? 'findPrevious' : 'findNext'; + if ((editor.getSelection().length == 0) || (this.prev_query[side] != query)) { + this.cursor[this.id] = editor.getSearchCursor(query, { line: 0, ch: 0 }, false); + this.prev_query[side] = query; + } + var cursor = this.cursor[this.id]; + + if (cursor[direction]()) { + editor.setSelection(cursor.from(), cursor.to()); + } + else { + cursor = editor.getSearchCursor(query, { line: 0, ch: 0 }, false); + } + }, + resize: function() { + this.settings.resize(); + this._changing(this.id + '-lhs', this.id + '-rhs'); + }, + diff: function() { + var lhs = this.editor[this.id + '-lhs'].getValue(); + var rhs = this.editor[this.id + '-rhs'].getValue(); + var d = new Mgly.diff(lhs, rhs, retain_lines = true, ignore_ws = this.settings.ignorews); + return d.normal_form(); + }, + _setup: function(el) { + jQuery(this.element).hide();//hide + this.id = jQuery(el).attr('id'); + var height = this.settings.editor_height; + var width = this.settings.editor_width; + this.changed_timeout = null; + this.chfns = {}; + this.chfns[this.id + '-lhs'] = []; + this.chfns[this.id + '-rhs'] = []; + this.prev_query = []; + this.cursor = []; + this._skipscroll = {}; + this.change_exp = new RegExp(/(\d+(?:,\d+)?)([acd])(\d+(?:,\d+)?)/); + var merge_lhs_button; + var merge_rhs_button; + if (jQuery.button != undefined) { + //jquery ui + merge_lhs_button = '<button title="Merge left"></button>'; + merge_rhs_button = '<button title="Merge right"></button>'; + } + else { + // homebrew + var style = 'opacity:0.4;width:10px;height:15px;background-color:#888;cursor:pointer;text-align:center;color:#eee;border:1px solid: #222;margin-right:5px;'; + merge_lhs_button = '<div style="' + style + '" title="Merge left"><</div>'; + merge_rhs_button = '<div style="' + style + '" title="Merge right">></div>'; + } + this.merge_rhs_button = jQuery(merge_rhs_button); + this.merge_lhs_button = jQuery(merge_lhs_button); + + // create the textarea and canvas elements + jQuery(this.element).append(jQuery('<div class="mergely-margin" style="height: ' + height + '"><canvas id="' + this.id + '-lhs-margin" width="8px" height="' + height + '"></canvas></div>')); + jQuery(this.element).append(jQuery('<div style="position:relative;width:' + width + '; height:' + height + '" id="' + this.id + '-editor-lhs" class="mergely-column"><textarea style="" id="' + this.id + '-lhs"></textarea></div>')); + jQuery(this.element).append(jQuery('<div class="mergely-canvas" style="height: ' + height + '"><canvas id="' + this.id + '-lhs-' + this.id + '-rhs-canvas" style="width:28px" width="28px" height="' + height + '"></canvas></div>')); + var rmargin = jQuery('<div class="mergely-margin" style="height: ' + height + '"><canvas id="' + this.id + '-rhs-margin" width="8px" height="' + height + '"></canvas></div>'); + if (!this.settings.sidebar) { + jQuery(this.element).find('.mergely-margin').css({display: 'none'}); + } + if (this.settings.rhs_margin == 'left') { + jQuery(this.element).append(rmargin); + } + jQuery(this.element).append(jQuery('<div style="width:' + width + '; height:' + height + '" id="' + this.id + '-editor-rhs" class="mergely-column"><textarea style="" id="' + this.id + '-rhs"></textarea></div>')); + if (this.settings.rhs_margin != 'left') { + jQuery(this.element).append(rmargin); + } + //codemirror + var cmstyle = '#' + this.id + ' .CodeMirror-gutter-text { padding: 5px 0 0 0; }' + + '#' + this.id + ' .CodeMirror-lines pre, ' + '#' + this.id + ' .CodeMirror-gutter-text pre { line-height: 18px; }' + + '.CodeMirror-linewidget { overflow: hidden; };'; + if (this.settings.autoresize) { + cmstyle += this.id + ' .CodeMirror-scroll { height: 100%; overflow: auto; }'; + } + jQuery('<style type="text/css">' + cmstyle + '</style>').appendTo('head'); + this.bind(); + if (this.settings.lhs) { + var setv = this.editor[this.id + '-lhs'].getDoc().setValue; + this.settings.lhs(setv.bind(this.editor[this.id + '-lhs'].getDoc())); + } + if (this.settings.rhs) { + var setv = this.editor[this.id + '-rhs'].getDoc().setValue; + this.settings.rhs(setv.bind(this.editor[this.id + '-rhs'].getDoc())); + } + }, + + _scrolling: function(editor_name) { + if (this._skipscroll[editor_name] === true) { + // scrolling one side causes the other to event - ignore it + this._skipscroll[editor_name] = false; + return; + } + var scroller = jQuery(this.editor[editor_name].getScrollerElement()); + if (this.midway == undefined) { + this.midway = (scroller.height() / 2.0 + scroller.offset().top).toFixed(2); + } + // balance-line + var midline = this.editor[editor_name].coordsChar({left:0, top:this.midway}); + var top_to = scroller.scrollTop(); + var left_to = scroller.scrollLeft(); + + this.trace('scroll', 'side', editor_name); + this.trace('scroll', 'midway', this.midway); + this.trace('scroll', 'midline', midline); + this.trace('scroll', 'top_to', top_to); + this.trace('scroll', 'left_to', left_to); + + var editor_name1 = this.id + '-lhs'; + var editor_name2 = this.id + '-rhs'; + + for (var name in this.editor) { + if (!this.editor.hasOwnProperty(name)) continue; + if (editor_name == name) continue; //same editor + var this_side = editor_name.replace(this.id + '-', ''); + var other_side = name.replace(this.id + '-', ''); + var top_adjust = 0; + + // find the last change that is less than or within the midway point + // do not move the rhs until the lhs end point is >= the rhs end point. + var last_change = null; + var force_scroll = false; + for (var i = 0; i < this.changes.length; ++i) { + var change = this.changes[i]; + if ((midline.line >= change[this_side+'-line-from'])) { + last_change = change; + if (midline.line >= last_change[this_side+'-line-to']) { + if (!change.hasOwnProperty(this_side+'-y-start') || + !change.hasOwnProperty(this_side+'-y-end') || + !change.hasOwnProperty(other_side+'-y-start') || + !change.hasOwnProperty(other_side+'-y-end')){ + // change outside of viewport + force_scroll = true; + } + else { + top_adjust += + (change[this_side+'-y-end'] - change[this_side+'-y-start']) - + (change[other_side+'-y-end'] - change[other_side+'-y-start']); + } + } + } + } + + var vp = this.editor[name].getViewport(); + var scroll = true; + if (last_change) { + this.trace('scroll', 'last change before midline', last_change); + if (midline.line >= vp.from && midline <= vp.to) { + scroll = false; + } + } + this.trace('scroll', 'scroll', scroll); + if (scroll || force_scroll) { + // scroll the other side + this.trace('scroll', 'scrolling other side', top_to - top_adjust); + var scroller = jQuery(this.editor[name].getScrollerElement()); + this._skipscroll[name] = true;//disable next event + scroller.scrollTop(top_to - top_adjust).scrollLeft(left_to); + } + else this.trace('scroll', 'not scrolling other side'); + + if (this.settings.autoupdate) { + var timer = new Mgly.Timer(); + this._calculate_offsets(editor_name1, editor_name2, this.changes); + this.trace('change', 'offsets time', timer.stop()); + this._markup_changes(editor_name1, editor_name2, this.changes); + this.trace('change', 'markup time', timer.stop()); + this._draw_diff(editor_name1, editor_name2, this.changes); + this.trace('change', 'draw time', timer.stop()); + } + this.trace('scroll', 'scrolled'); + } + }, + _changing: function(editor_name1, editor_name2) { + this.trace('change', 'changing-timeout', this.changed_timeout); + var self = this; + if (this.changed_timeout != null) clearTimeout(this.changed_timeout); + this.changed_timeout = setTimeout(function(){ + var timer = new Mgly.Timer(); + self._changed(editor_name1, editor_name2); + self.trace('change', 'total time', timer.stop()); + }, this.settings.change_timeout); + }, + _changed: function(editor_name1, editor_name2) { + this._clear(); + this._diff(editor_name1, editor_name2); + }, + _clear: function() { + var self = this; + for (var name in this.editor) { + if (!this.editor.hasOwnProperty(name)) continue; + var editor = this.editor[name]; + var fns = self.chfns[name]; + // clear editor changes + editor.operation(function() { + var timer = new Mgly.Timer(); + for (var i = 0, l = editor.lineCount(); i < l; ++i) { + editor.removeLineClass(i, 'background'); + } + for (var i = 0; i < fns.length; ++i) { + //var edid = editor.getDoc().id; + var change = fns[i]; + //if (change.doc.id != edid) continue; + if (change.lines.length) { + self.trace('change', 'clear text', change.lines[0].text); + } + change.clear(); + } + editor.clearGutter('merge'); + self.trace('change', 'clear time', timer.stop()); + }); + } + self.chfns[name] = []; + + var ex = this._draw_info(this.id + '-lhs', this.id + '-rhs'); + var ctx_lhs = ex.clhs.get(0).getContext('2d'); + var ctx_rhs = ex.crhs.get(0).getContext('2d'); + var ctx = ex.dcanvas.getContext('2d'); + + ctx_lhs.beginPath(); + ctx_lhs.fillStyle = this.settings.bgcolor; + ctx_lhs.strokeStyle = '#888'; + ctx_lhs.fillRect(0, 0, 6.5, ex.visible_page_height); + ctx_lhs.strokeRect(0, 0, 6.5, ex.visible_page_height); + + ctx_rhs.beginPath(); + ctx_rhs.fillStyle = this.settings.bgcolor; + ctx_rhs.strokeStyle = '#888'; + ctx_rhs.fillRect(0, 0, 6.5, ex.visible_page_height); + ctx_rhs.strokeRect(0, 0, 6.5, ex.visible_page_height); + + ctx.beginPath(); + ctx.fillStyle = '#fff'; + ctx.fillRect(0, 0, this.draw_mid_width, ex.visible_page_height); + }, + _diff: function(editor_name1, editor_name2) { + var lhs = this.editor[editor_name1].getValue(); + var rhs = this.editor[editor_name2].getValue(); + var timer = new Mgly.Timer(); + var d = new Mgly.diff(lhs, rhs, false, this.settings.ignorews); + this.trace('change', 'diff time', timer.stop()); + this.changes = Mgly.DiffParser(d.normal_form()); + this.trace('change', 'parse time', timer.stop()); + this._calculate_offsets(editor_name1, editor_name2, this.changes); + this.trace('change', 'offsets time', timer.stop()); + this._markup_changes(editor_name1, editor_name2, this.changes); + this.trace('change', 'markup time', timer.stop()); + this._draw_diff(editor_name1, editor_name2, this.changes); + this.trace('change', 'draw time', timer.stop()); + }, + _parse_diff: function (editor_name1, editor_name2, diff) { + this.trace('diff', 'diff results:\n', diff); + var changes = []; + var change_id = 0; + // parse diff + var diff_lines = diff.split(/\n/); + for (var i = 0; i < diff_lines.length; ++i) { + if (diff_lines[i].length == 0) continue; + var change = {}; + var test = this.change_exp.exec(diff_lines[i]); + if (test == null) continue; + // lines are zero-based + var fr = test[1].split(','); + change['lhs-line-from'] = fr[0] - 1; + if (fr.length == 1) change['lhs-line-to'] = fr[0] - 1; + else change['lhs-line-to'] = fr[1] - 1; + var to = test[3].split(','); + change['rhs-line-from'] = to[0] - 1; + if (to.length == 1) change['rhs-line-to'] = to[0] - 1; + else change['rhs-line-to'] = to[1] - 1; + // TODO: optimize for changes that are adds/removes + if (change['lhs-line-from'] < 0) change['lhs-line-from'] = 0; + if (change['lhs-line-to'] < 0) change['lhs-line-to'] = 0; + if (change['rhs-line-from'] < 0) change['rhs-line-from'] = 0; + if (change['rhs-line-to'] < 0) change['rhs-line-to'] = 0; + change['op'] = test[2]; + changes[change_id++] = change; + this.trace('diff', 'change', change); + } + return changes; + }, + _get_viewport: function(editor_name1, editor_name2) { + var lhsvp = this.editor[editor_name1].getViewport(); + var rhsvp = this.editor[editor_name2].getViewport(); + return {from: Math.min(lhsvp.from, rhsvp.from), to: Math.max(lhsvp.to, rhsvp.to)}; + }, + _is_change_in_view: function(vp, change) { + if (!this.settings.viewport) return true; + if ((change['lhs-line-from'] < vp.from && change['lhs-line-to'] < vp.to) || + (change['lhs-line-from'] > vp.from && change['lhs-line-to'] > vp.to) || + (change['rhs-line-from'] < vp.from && change['rhs-line-to'] < vp.to) || + (change['rhs-line-from'] > vp.from && change['rhs-line-to'] > vp.to)) { + // if the change is outside the viewport, skip + return false; + } + return true; + }, + _calculate_offsets: function (editor_name1, editor_name2, changes) { + if (this.em_height == null) { + // this is the distance from the top of the screen + var topnode = jQuery('#' + this.id + ' .CodeMirror-measure').first(); + var top_offset = topnode.offset().top - 4; + if (!top_offset) return;//try again + this.draw_top_offset = 0.5 - top_offset; + this.em_height = this.editor[editor_name1].defaultTextHeight(); + if (!this.em_height) { + console.warn('Failed to calculate offsets, using 18 by default'); + this.em_height = 18; + } + this.draw_lhs_min = 0.5; + var c = jQuery('#' + editor_name1 + '-' + editor_name2 + '-canvas'); + if (!c.length) { + console.error('failed to find canvas', '#' + editor_name1 + '-' + editor_name2 + '-canvas'); + } + if (!c.width()) { + console.error('canvas width is 0'); + return; + } + this.draw_mid_width = jQuery('#' + editor_name1 + '-' + editor_name2 + '-canvas').width(); + this.draw_rhs_max = this.draw_mid_width - 0.5; //24.5; + this.draw_lhs_width = 5; + this.draw_rhs_width = 5; + this.trace('calc', 'change offsets calculated', {top_offset: top_offset, lhs_min: this.draw_lhs_min, rhs_max: this.draw_rhs_max, lhs_width: this.draw_lhs_width, rhs_width: this.draw_rhs_width}); + } + var lhschc = this.editor[editor_name1].charCoords({line: 0}); + var rhschc = this.editor[editor_name2].charCoords({line: 0}); + var vp = this._get_viewport(editor_name1, editor_name2); + + for (var i = 0; i < changes.length; ++i) { + var change = changes[i]; + + if (!this.settings.sidebar && !this._is_change_in_view(vp, change)) { + // if the change is outside the viewport, skip + delete change['lhs-y-start']; + delete change['lhs-y-end']; + delete change['rhs-y-start']; + delete change['rhs-y-end']; + continue; + } + var llf = change['lhs-line-from'] >= 0 ? change['lhs-line-from'] : 0; + var llt = change['lhs-line-to'] >= 0 ? change['lhs-line-to'] : 0; + var rlf = change['rhs-line-from'] >= 0 ? change['rhs-line-from'] : 0; + var rlt = change['rhs-line-to'] >= 0 ? change['rhs-line-to'] : 0; + + var ls, le, rs, re; + if (this.editor[editor_name1].getOption('lineWrapping') || this.editor[editor_name1].getOption('lineWrapping')) { + // If using line-wrapping, we must get the height of the line + var tls = this.editor[editor_name1].cursorCoords({line: llf, ch: 0}, 'page'); + var lhssh = this.editor[editor_name1].getLineHandle(llf); + ls = { top: tls.top, bottom: tls.top + lhssh.height }; + + var tle = this.editor[editor_name1].cursorCoords({line: llt, ch: 0}, 'page'); + var lhseh = this.editor[editor_name1].getLineHandle(llt); + le = { top: tle.top, bottom: tle.top + lhseh.height }; + + var tls = this.editor[editor_name2].cursorCoords({line: rlf, ch: 0}, 'page'); + var rhssh = this.editor[editor_name2].getLineHandle(rlf); + rs = { top: tls.top, bottom: tls.top + rhssh.height }; + + var tle = this.editor[editor_name2].cursorCoords({line: rlt, ch: 0}, 'page'); + var rhseh = this.editor[editor_name2].getLineHandle(rlt); + re = { top: tle.top, bottom: tle.top + rhseh.height }; + } + else { + // If not using line-wrapping, we can calculate the line position + ls = { + top: lhschc.top + llf * this.em_height, + bottom: lhschc.bottom + llf * this.em_height + 2 + }; + le = { + top: lhschc.top + llt * this.em_height, + bottom: lhschc.bottom + llt * this.em_height + 2 + }; + rs = { + top: rhschc.top + rlf * this.em_height, + bottom: rhschc.bottom + rlf * this.em_height + 2 + }; + re = { + top: rhschc.top + rlt * this.em_height, + bottom: rhschc.bottom + rlt * this.em_height + 2 + }; + } + + if (change['op'] == 'a') { + // adds (right), normally start from the end of the lhs, + // except for the case when the start of the rhs is 0 + if (rlf > 0) { + ls.top = ls.bottom; + ls.bottom += this.em_height; + le = ls; + } + } + else if (change['op'] == 'd') { + // deletes (left) normally finish from the end of the rhs, + // except for the case when the start of the lhs is 0 + if (llf > 0) { + rs.top = rs.bottom; + rs.bottom += this.em_height; + re = rs; + } + } + change['lhs-y-start'] = this.draw_top_offset + ls.top; + if (change['op'] == 'c' || change['op'] == 'd') { + change['lhs-y-end'] = this.draw_top_offset + le.bottom; + } + else { + change['lhs-y-end'] = this.draw_top_offset + le.top; + } + change['rhs-y-start'] = this.draw_top_offset + rs.top; + if (change['op'] == 'c' || change['op'] == 'a') { + change['rhs-y-end'] = this.draw_top_offset + re.bottom; + } + else { + change['rhs-y-end'] = this.draw_top_offset + re.top; + } + this.trace('calc', 'change calculated', i, change); + } + return changes; + }, + _markup_changes: function (editor_name1, editor_name2, changes) { + jQuery('.merge-button').remove(); // clear + + var self = this; + var led = this.editor[editor_name1]; + var red = this.editor[editor_name2]; + + var timer = new Mgly.Timer(); + led.operation(function() { + for (var i = 0; i < changes.length; ++i) { + var change = changes[i]; + var llf = change['lhs-line-from'] >= 0 ? change['lhs-line-from'] : 0; + var llt = change['lhs-line-to'] >= 0 ? change['lhs-line-to'] : 0; + var rlf = change['rhs-line-from'] >= 0 ? change['rhs-line-from'] : 0; + var rlt = change['rhs-line-to'] >= 0 ? change['rhs-line-to'] : 0; + + var clazz = ['mergely', 'lhs', change['op'], 'cid-' + i]; + led.addLineClass(llf, 'background', 'start'); + led.addLineClass(llt, 'background', 'end'); + + if (llf == 0 && llt == 0 && rlf == 0) { + led.addLineClass(llf, 'background', clazz.join(' ')); + led.addLineClass(llf, 'background', 'first'); + } + else { + // apply change for each line in-between the changed lines + for (var j = llf; j <= llt; ++j) { + led.addLineClass(j, 'background', clazz.join(' ')); + led.addLineClass(j, 'background', clazz.join(' ')); + } + } + + if (!red.getOption('readOnly')) { + // add widgets to lhs, if rhs is not read only + var rhs_button = self.merge_rhs_button.clone(); + if (rhs_button.button) { + //jquery-ui support + rhs_button.button({icons: {primary: 'ui-icon-triangle-1-e'}, text: false}); + } + rhs_button.addClass('merge-button'); + rhs_button.attr('id', 'merge-rhs-' + i); + led.setGutterMarker(llf, 'merge', rhs_button.get(0)); + } + } + }); + + var vp = this._get_viewport(editor_name1, editor_name2); + + this.trace('change', 'markup lhs-editor time', timer.stop()); + red.operation(function() { + for (var i = 0; i < changes.length; ++i) { + var change = changes[i]; + var llf = change['lhs-line-from'] >= 0 ? change['lhs-line-from'] : 0; + var llt = change['lhs-line-to'] >= 0 ? change['lhs-line-to'] : 0; + var rlf = change['rhs-line-from'] >= 0 ? change['rhs-line-from'] : 0; + var rlt = change['rhs-line-to'] >= 0 ? change['rhs-line-to'] : 0; + + if (!self._is_change_in_view(vp, change)) { + // if the change is outside the viewport, skip + continue; + } + + var clazz = ['mergely', 'rhs', change['op'], 'cid-' + i]; + red.addLineClass(rlf, 'background', 'start'); + red.addLineClass(rlt, 'background', 'end'); + + if (rlf == 0 && rlt == 0 && llf == 0) { + red.addLineClass(rlf, 'background', clazz.join(' ')); + red.addLineClass(rlf, 'background', 'first'); + } + else { + // apply change for each line in-between the changed lines + for (var j = rlf; j <= rlt; ++j) { + red.addLineClass(j, 'background', clazz.join(' ')); + red.addLineClass(j, 'background', clazz.join(' ')); + } + } + + if (!led.getOption('readOnly')) { + // add widgets to rhs, if lhs is not read only + var lhs_button = self.merge_lhs_button.clone(); + if (lhs_button.button) { + //jquery-ui support + lhs_button.button({icons: {primary: 'ui-icon-triangle-1-w'}, text: false}); + } + lhs_button.addClass('merge-button'); + lhs_button.attr('id', 'merge-lhs-' + i); + red.setGutterMarker(rlf, 'merge', lhs_button.get(0)); + } + } + }); + this.trace('change', 'markup rhs-editor time', timer.stop()); + + // mark text deleted, LCS changes + var marktext = []; + for (var i = 0; this.settings.lcs && i < changes.length; ++i) { + var change = changes[i]; + var llf = change['lhs-line-from'] >= 0 ? change['lhs-line-from'] : 0; + var llt = change['lhs-line-to'] >= 0 ? change['lhs-line-to'] : 0; + var rlf = change['rhs-line-from'] >= 0 ? change['rhs-line-from'] : 0; + var rlt = change['rhs-line-to'] >= 0 ? change['rhs-line-to'] : 0; + + if (!this._is_change_in_view(vp, change)) { + // if the change is outside the viewport, skip + continue; + } + if (change['op'] == 'd') { + // apply delete to cross-out (left-hand side only) + var from = llf; + var to = llt; + var to_ln = led.lineInfo(to); + if (to_ln) { + marktext.push([led, {line:from, ch:0}, {line:to, ch:to_ln.text.length}, {className: 'mergely ch d lhs'}]); + } + } + else if (change['op'] == 'c') { + // apply LCS changes to each line + for (var j = llf, k = rlf, p = 0; + ((j >= 0) && (j <= llt)) || ((k >= 0) && (k <= rlt)); + ++j, ++k) { + if (k + p > rlt) { + // lhs continues past rhs, mark lhs as deleted + var lhs_line = led.getLine( j ); + marktext.push([led, {line:j, ch:0}, {line:j, ch:lhs_line.length}, {className: 'mergely ch d lhs'}]); + continue; + } + if (j + p > llt) { + // rhs continues past lhs, mark rhs as added + var rhs_line = red.getLine( k ); + marktext.push([red, {line:k, ch:0}, {line:k, ch:rhs_line.length}, {className: 'mergely ch a rhs'}]); + continue; + } + var lhs_line = led.getLine( j ); + var rhs_line = red.getLine( k ); + var lhs_start = { line: -1, ch: -1 }; + var lhs_stop = { line: -1, ch: -1 }; + var rhs_start = { line: -1, ch: -1 }; + var rhs_stop = { line: -1, ch: -1 }; + + var lcs = new Mgly.LCS(lhs_line, rhs_line); + lcs.diff( + function (from, to) {//added + marktext.push([red, {line:k, ch:from}, {line:k, ch:to}, {className: 'mergely ch a rhs'}]); + }, + removed = function (from, to) {//removed + marktext.push([led, {line:j, ch:from}, {line:j, ch:to}, {className: 'mergely ch d lhs'}]); + } + ); + } + } + } + this.trace('change', 'LCS marktext time', timer.stop()); + + // mark changes outside closure + led.operation(function() { + // apply lhs markup + for (var i = 0; i < marktext.length; ++i) { + var m = marktext[i]; + if (m[0].doc.id != led.getDoc().id) continue; + self.chfns[self.id + '-lhs'].push(m[0].markText(m[1], m[2], m[3])); + } + }); + red.operation(function() { + // apply lhs markup + for (var i = 0; i < marktext.length; ++i) { + var m = marktext[i]; + if (m[0].doc.id != red.getDoc().id) continue; + self.chfns[self.id + '-rhs'].push(m[0].markText(m[1], m[2], m[3])); + } + }); + this.trace('change', 'LCS markup time', timer.stop()); + + // merge buttons + var ed = {lhs:led, rhs:red}; + jQuery('.merge-button').on('click', function(ev){ + // side of mouseenter + var side = 'rhs'; + var oside = 'lhs'; + var parent = jQuery(this).parents('#' + self.id + '-editor-lhs'); + if (parent.length) { + side = 'lhs'; + oside = 'rhs'; + } + var pos = ed[side].coordsChar({left:ev.pageX, top:ev.pageY}); + + // get the change id + var cid = null; + var info = ed[side].lineInfo(pos.line); + jQuery.each(info.bgClass.split(' '), function(i, clazz) { + if (clazz.indexOf('cid-') == 0) { + cid = parseInt(clazz.split('-')[1], 10); + return false; + } + }); + var change = self.changes[cid]; + + var line = {lhs: ed['lhs'].lineInfo(llt), rhs: ed['rhs'].lineInfo(rlt)}; + + var text = ed[side].getRange( + CodeMirror.Pos(change[side + '-line-from'], 0), + CodeMirror.Pos(change[side + '-line-to'] + 1, 0)); + + if (change['op'] == 'c') { + ed[oside].replaceRange(text, + CodeMirror.Pos(change[oside + '-line-from'], 0), + CodeMirror.Pos(change[oside + '-line-to'] + 1, 0)); + } + else if (side == 'rhs') { + if (change['op'] == 'a') { + ed[oside].replaceRange(text, + CodeMirror.Pos(change[oside + '-line-from'] + 1, 0), + CodeMirror.Pos(change[oside + '-line-to'] + 1, 0)); + } + else {// 'd' + var from = parseInt(change[oside + '-line-from']); + var to = parseInt(change[oside + '-line-to']); + for (var i = to; i >= from; --i) { + ed[oside].removeLine(i); + } + } + } + else if (side == 'lhs') { + if (change['op'] == 'a') { + var from = parseInt(change[oside + '-line-from']); + var to = parseInt(change[oside + '-line-to']); + for (var i = to; i >= from; --i) { + ed[oside].removeLine(i); + } + } + else {// 'd' + ed[oside].replaceRange( text, + CodeMirror.Pos(change[oside + '-line-from'] + 1, 0)); + } + } + //reset + ed['lhs'].setValue(ed['lhs'].getValue()); + ed['rhs'].setValue(ed['rhs'].getValue()); + return false; + }); + this.trace('change', 'markup buttons time', timer.stop()); + }, + _draw_info: function(editor_name1, editor_name2) { + var visible_page_height = jQuery(this.editor[editor_name1].getScrollerElement()).height(); + var gutter_height = jQuery(this.editor[editor_name1].getScrollerElement()).children(':first-child').height(); + var dcanvas = document.getElementById(editor_name1 + '-' + editor_name2 + '-canvas'); + if (dcanvas == undefined) throw 'Failed to find: ' + editor_name1 + '-' + editor_name2 + '-canvas'; + var clhs = jQuery('#' + this.id + '-lhs-margin'); + var crhs = jQuery('#' + this.id + '-rhs-margin'); + return { + visible_page_height: visible_page_height, + gutter_height: gutter_height, + visible_page_ratio: (visible_page_height / gutter_height), + margin_ratio: (visible_page_height / gutter_height), + lhs_scroller: jQuery(this.editor[editor_name1].getScrollerElement()), + rhs_scroller: jQuery(this.editor[editor_name2].getScrollerElement()), + lhs_lines: this.editor[editor_name1].lineCount(), + rhs_lines: this.editor[editor_name2].lineCount(), + dcanvas: dcanvas, + clhs: clhs, + crhs: crhs, + lhs_xyoffset: jQuery(clhs).offset(), + rhs_xyoffset: jQuery(crhs).offset() + }; + }, + _draw_diff: function(editor_name1, editor_name2, changes) { + var ex = this._draw_info(editor_name1, editor_name2); + var mcanvas_lhs = ex.clhs.get(0); + var mcanvas_rhs = ex.crhs.get(0); + var ctx = ex.dcanvas.getContext('2d'); + var ctx_lhs = mcanvas_lhs.getContext('2d'); + var ctx_rhs = mcanvas_rhs.getContext('2d'); + + this.trace('draw', 'visible_page_height', ex.visible_page_height); + this.trace('draw', 'gutter_height', ex.gutter_height); + this.trace('draw', 'visible_page_ratio', ex.visible_page_ratio); + this.trace('draw', 'lhs-scroller-top', ex.lhs_scroller.scrollTop()); + this.trace('draw', 'rhs-scroller-top', ex.rhs_scroller.scrollTop()); + + jQuery.each(jQuery.find('#' + this.id + ' canvas'), function () { + jQuery(this).get(0).height = ex.visible_page_height; + }); + + ex.clhs.unbind('click'); + ex.crhs.unbind('click'); + + ctx_lhs.beginPath(); + ctx_lhs.fillStyle = this.settings.bgcolor; + ctx_lhs.strokeStyle = '#888'; + ctx_lhs.fillRect(0, 0, 6.5, ex.visible_page_height); + ctx_lhs.strokeRect(0, 0, 6.5, ex.visible_page_height); + + ctx_rhs.beginPath(); + ctx_rhs.fillStyle = this.settings.bgcolor; + ctx_rhs.strokeStyle = '#888'; + ctx_rhs.fillRect(0, 0, 6.5, ex.visible_page_height); + ctx_rhs.strokeRect(0, 0, 6.5, ex.visible_page_height); + + var vp = this._get_viewport(editor_name1, editor_name2); + for (var i = 0; i < changes.length; ++i) { + var change = changes[i]; + + this.trace('draw', change); + // margin indicators + var lhs_y_start = ((change['lhs-y-start'] + ex.lhs_scroller.scrollTop()) * ex.visible_page_ratio); + var lhs_y_end = ((change['lhs-y-end'] + ex.lhs_scroller.scrollTop()) * ex.visible_page_ratio) + 1; + var rhs_y_start = ((change['rhs-y-start'] + ex.rhs_scroller.scrollTop()) * ex.visible_page_ratio); + var rhs_y_end = ((change['rhs-y-end'] + ex.rhs_scroller.scrollTop()) * ex.visible_page_ratio) + 1; + this.trace('draw', 'marker calculated', lhs_y_start, lhs_y_end, rhs_y_start, rhs_y_end); + + ctx_lhs.beginPath(); + ctx_lhs.fillStyle = this.settings.fgcolor[change['op']]; + ctx_lhs.strokeStyle = '#000'; + ctx_lhs.lineWidth = 1.0; + ctx_lhs.fillRect(1.5, lhs_y_start, 4.5, Math.max(lhs_y_end - lhs_y_start, 5)); + ctx_lhs.strokeRect(1.5, lhs_y_start, 4.5, Math.max(lhs_y_end - lhs_y_start, 5)); + + ctx_rhs.beginPath(); + ctx_rhs.fillStyle = this.settings.fgcolor[change['op']]; + ctx_rhs.strokeStyle = '#000'; + ctx_rhs.lineWidth = 1.0; + ctx_rhs.fillRect(1.5, rhs_y_start, 4.5, Math.max(rhs_y_end - rhs_y_start, 5)); + ctx_rhs.strokeRect(1.5, rhs_y_start, 4.5, Math.max(rhs_y_end - rhs_y_start, 5)); + + if (!this._is_change_in_view(vp, change)) { + continue; + } + + lhs_y_start = change['lhs-y-start']; + lhs_y_end = change['lhs-y-end']; + rhs_y_start = change['rhs-y-start']; + rhs_y_end = change['rhs-y-end']; + + var radius = 3; + + // draw left box + ctx.beginPath(); + ctx.strokeStyle = this.settings.fgcolor[change['op']]; + ctx.lineWidth = 1; + + var rectWidth = this.draw_lhs_width; + var rectHeight = lhs_y_end - lhs_y_start - 1; + var rectX = this.draw_lhs_min; + var rectY = lhs_y_start; + // top and top top-right corner + + // draw left box + ctx.moveTo(rectX, rectY); + if (navigator.appName == 'Microsoft Internet Explorer') { + // IE arcs look awful + ctx.lineTo(this.draw_lhs_min + this.draw_lhs_width, lhs_y_start); + ctx.lineTo(this.draw_lhs_min + this.draw_lhs_width, lhs_y_end + 1); + ctx.lineTo(this.draw_lhs_min, lhs_y_end + 1); + } + else { + if (rectHeight <= 0) { + ctx.lineTo(rectX + rectWidth, rectY); + } + else { + ctx.arcTo(rectX + rectWidth, rectY, rectX + rectWidth, rectY + radius, radius); + ctx.arcTo(rectX + rectWidth, rectY + rectHeight, rectX + rectWidth - radius, rectY + rectHeight, radius); + } + // bottom line + ctx.lineTo(rectX, rectY + rectHeight); + } + ctx.stroke(); + + rectWidth = this.draw_rhs_width; + rectHeight = rhs_y_end - rhs_y_start - 1; + rectX = this.draw_rhs_max; + rectY = rhs_y_start; + + // draw right box + ctx.moveTo(rectX, rectY); + if (navigator.appName == 'Microsoft Internet Explorer') { + ctx.lineTo(this.draw_rhs_max - this.draw_rhs_width, rhs_y_start); + ctx.lineTo(this.draw_rhs_max - this.draw_rhs_width, rhs_y_end + 1); + ctx.lineTo(this.draw_rhs_max, rhs_y_end + 1); + } + else { + if (rectHeight <= 0) { + ctx.lineTo(rectX - rectWidth, rectY); + } + else { + ctx.arcTo(rectX - rectWidth, rectY, rectX - rectWidth, rectY + radius, radius); + ctx.arcTo(rectX - rectWidth, rectY + rectHeight, rectX - radius, rectY + rectHeight, radius); + } + ctx.lineTo(rectX, rectY + rectHeight); + } + ctx.stroke(); + + // connect boxes + var cx = this.draw_lhs_min + this.draw_lhs_width; + var cy = lhs_y_start + (lhs_y_end + 1 - lhs_y_start) / 2.0; + var dx = this.draw_rhs_max - this.draw_rhs_width; + var dy = rhs_y_start + (rhs_y_end + 1 - rhs_y_start) / 2.0; + ctx.moveTo(cx, cy); + if (cy == dy) { + ctx.lineTo(dx, dy); + } + else { + // fancy! + ctx.bezierCurveTo( + cx + 12, cy - 3, // control-1 X,Y + dx - 12, dy - 3, // control-2 X,Y + dx, dy); + } + ctx.stroke(); + } + + // visible window feedback + ctx_lhs.fillStyle = this.settings.vpcolor; + ctx_rhs.fillStyle = this.settings.vpcolor; + + var lto = ex.clhs.height() * ex.visible_page_ratio; + var lfrom = (ex.lhs_scroller.scrollTop() / ex.gutter_height) * ex.clhs.height(); + var rto = ex.crhs.height() * ex.visible_page_ratio; + var rfrom = (ex.rhs_scroller.scrollTop() / ex.gutter_height) * ex.crhs.height(); + this.trace('draw', 'cls.height', ex.clhs.height()); + this.trace('draw', 'lhs_scroller.scrollTop()', ex.lhs_scroller.scrollTop()); + this.trace('draw', 'gutter_height', ex.gutter_height); + this.trace('draw', 'visible_page_ratio', ex.visible_page_ratio); + this.trace('draw', 'lhs from', lfrom, 'lhs to', lto); + this.trace('draw', 'rhs from', rfrom, 'rhs to', rto); + + ctx_lhs.fillRect(1.5, lfrom, 4.5, lto); + ctx_rhs.fillRect(1.5, rfrom, 4.5, rto); + + ex.clhs.click(function (ev) { + var y = ev.pageY - ex.lhs_xyoffset.top - (lto / 2); + var sto = Math.max(0, (y / mcanvas_lhs.height) * ex.lhs_scroller.get(0).scrollHeight); + ex.lhs_scroller.scrollTop(sto); + }); + ex.crhs.click(function (ev) { + var y = ev.pageY - ex.rhs_xyoffset.top - (rto / 2); + var sto = Math.max(0, (y / mcanvas_rhs.height) * ex.rhs_scroller.get(0).scrollHeight); + ex.rhs_scroller.scrollTop(sto); + }); + }, + trace: function(name) { + if(this.settings._debug.indexOf(name) >= 0) { + arguments[0] = name+':'; + console.log([].slice.apply(arguments)); + } + } +}); + +jQuery.pluginMaker = function(plugin) { + // add the plugin function as a jQuery plugin + jQuery.fn[plugin.prototype.name] = function(options) { + // get the arguments + var args = jQuery.makeArray(arguments), + after = args.slice(1); + var rc = undefined; + this.each(function() { + // see if we have an instance + var instance = jQuery.data(this, plugin.prototype.name); + if (instance) { + // call a method on the instance + if (typeof options == "string") { + rc = instance[options].apply(instance, after); + } else if (instance.update) { + // call update on the instance + return instance.update.apply(instance, args); + } + } else { + // create the plugin + new plugin(this, options); + } + }); + if (rc != undefined) return rc; + }; +}; + +// make the mergely widget +jQuery.pluginMaker(Mgly.mergely);
--- a/rhodecode/templates/changeset/diff_block.html Wed Jun 26 14:29:49 2013 +0200 +++ b/rhodecode/templates/changeset/diff_block.html Wed Jun 26 19:07:32 2013 +0200 @@ -19,6 +19,7 @@ </div> <div class="diff-actions"> <a href="${h.url('files_diff_home',repo_name=c.repo_name,f_path=h.safe_unicode(path),diff2=cs2,diff1=cs1,diff='diff',fulldiff=1)}" class="tooltip" title="${h.tooltip(_('Show full diff for this file'))}"><img class="icon" src="${h.url('/images/icons/page_white_go.png')}"/></a> + <a href="${h.url('files_diff_2way_home',repo_name=c.repo_name,f_path=h.safe_unicode(path),diff2=cs2,diff1=cs1,diff='diff',fulldiff=1)}" class="tooltip" title="${h.tooltip(_('Show full side-by-side diff for this file'))}"><img class="icon" src="${h.url('/images/icons/application_double.png')}"/></a> <a href="${h.url('files_diff_home',repo_name=c.repo_name,f_path=h.safe_unicode(path),diff2=cs2,diff1=cs1,diff='raw')}" class="tooltip" title="${h.tooltip(_('Raw diff'))}"><img class="icon" src="${h.url('/images/icons/page_white.png')}"/></a> <a href="${h.url('files_diff_home',repo_name=c.repo_name,f_path=h.safe_unicode(path),diff2=cs2,diff1=cs1,diff='download')}" class="tooltip" title="${h.tooltip(_('Download diff'))}"><img class="icon" src="${h.url('/images/icons/page_save.png')}"/></a> ${c.ignorews_url(request.GET, h.FID(cs2,path))}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rhodecode/templates/files/diff_2way.html Wed Jun 26 19:07:32 2013 +0200 @@ -0,0 +1,80 @@ +## -*- coding: utf-8 -*- + +<%inherit file="/base/base.html"/> + +<%def name="js_extra()"> +<script type="text/javascript" src="${h.url('/js/jquery.1.10.1.min.js')}"></script> +<script type="text/javascript" src="${h.url('/js/codemirror.js')}"></script> +<script type="text/javascript" src="${h.url('/js/mergerly.js')}"></script> +</%def> +<%def name="css_extra()"> +<link rel="stylesheet" type="text/css" href="${h.url('/css/codemirror.css')}"/> +<link rel="stylesheet" type="text/css" href="${h.url('/css/mergerly.css')}"/> +</%def> + +<%def name="title()"> + ${_('%s File side-by-side diff') % c.repo_name} · ${c.rhodecode_name} +</%def> + +<%def name="breadcrumbs_links()"> + ${_('File diff')} r${c.changeset_1.revision}:${h.short_id(c.changeset_1.raw_id)} → r${c.changeset_2.revision}:${h.short_id(c.changeset_2.raw_id)} +</%def> + +<%def name="page_nav()"> + ${self.menu('repositories')} +</%def> + +<%def name="main()"> +${self.repo_context_bar('changelog')} +<div class="box"> + <!-- box / title --> + <div class="title"> + ${self.breadcrumbs()} + </div> + + <div class="diff-container" style="overflow-x: hidden"> + <div class="diffblock comm" style="margin:3px; padding:1px"> + <div class="code-header"> + <div class="changeset_header"> + <div class="changeset_file"> + ${h.link_to(h.safe_unicode(c.node1.path),h.url('files_home',repo_name=c.repo_name, + revision=c.cs2.raw_id,f_path=h.safe_unicode(c.node1.path)))} + </div> + <div class="diff-actions"> + <a href="${h.url('files_diff_home',repo_name=c.repo_name,f_path=h.safe_unicode(c.node1.path),diff2=c.cs2.raw_id,diff1=c.cs1.raw_id,diff='diff',fulldiff=1)}" class="tooltip" title="${h.tooltip(_('Show full diff for this file'))}"><img class="icon" src="${h.url('/images/icons/page_white_go.png')}"/></a> + <a href="${h.url('files_diff_2way_home',repo_name=c.repo_name,f_path=h.safe_unicode(c.node1.path),diff2=c.cs2.raw_id,diff1=c.cs1.raw_id,diff='diff',fulldiff=1)}" class="tooltip" title="${h.tooltip(_('Show full side-by-side diff for this file'))}"><img class="icon" src="${h.url('/images/icons/application_double.png')}"/></a> + <a href="${h.url('files_diff_home',repo_name=c.repo_name,f_path=h.safe_unicode(c.node1.path),diff2=c.cs2.raw_id,diff1=c.cs1.raw_id,diff='raw')}" class="tooltip" title="${h.tooltip(_('Raw diff'))}"><img class="icon" src="${h.url('/images/icons/page_white.png')}"/></a> + <a href="${h.url('files_diff_home',repo_name=c.repo_name,f_path=h.safe_unicode(c.node1.path),diff2=c.cs2.raw_id,diff1=c.cs1.raw_id,diff='download')}" class="tooltip" title="${h.tooltip(_('Download diff'))}"><img class="icon" src="${h.url('/images/icons/page_save.png')}"/></a> + ##${c.ignorews_url(request.GET, h.FID(c.cs2,path))} + ##${c.context_url(request.GET, h.FID(c.cs2,path))} + </div> + </div> + </div> + <div id="compare"></div> + </div> + </div> + +<script> +var orig1 = '${(c.orig1)|n}'; +var orig2 = '${(c.orig2)|n}'; + +$(document).ready(function () { + $('#compare').mergely({ + width: 'auto', + height: '600', + fgcolor: {a:'#ddffdd',c:'#cccccc',d:'#ffdddd'}, + bgcolor: '#fff', + viewport: true, + cmsettings: {mode: 'text/plain', readOnly: true, lineWrapping: false, lineNumbers: true}, + lhs: function(setValue) { + setValue(orig1); + }, + rhs: function(setValue) { + setValue(orig2); + }, + }); +}); +</script> + +</div> +</%def>