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annotate pkg/common/attributes.go @ 2549:9bf6b767a56a

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client: refactored and improved splitscreen for diagrams To make different diagrams possible, the splitscreen view needed to be decoupled from the cross profiles. Also the style has changed to make it more consistent with the rest of the app. The standard box header is now used and there are collapse and expand animations.
author Markus Kottlaender <markus@intevation.de>
date Fri, 08 Mar 2019 08:50:47 +0100
parents 2c67c51d57ad
children dc4fae4bdb8f
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2018 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
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14 package common
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15
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16 import (
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17 "log"
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18 "strconv"
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19 "strings"
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20 "time"
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21 )
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22
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23 type (
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24 // Attributes is a map of optional key/value attributes
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25 // of a configuration.
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26 Attributes map[string]string
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27
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28 AttributesMarshaler interface {
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29 MarshalAttributes(Attributes) error
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30 }
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31
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32 AttributesUnmarshaler interface {
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33 UnmarshalAttributes(Attributes) error
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34 }
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35 )
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36
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37 func (ca Attributes) Marshal(src interface{}) error {
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38 if ca == nil {
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39 return nil
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40 }
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41 var err error
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42 if m, ok := src.(AttributesMarshaler); ok {
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43 err = m.MarshalAttributes(ca)
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44 }
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45 return err
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46 }
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47
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48 func (ca Attributes) Unmarshal(dst interface{}) error {
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49 if ca == nil {
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50 return nil
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51 }
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52 var err error
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53 if um, ok := dst.(AttributesUnmarshaler); ok {
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54 err = um.UnmarshalAttributes(ca)
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55 }
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56 return err
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57 }
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58
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59 func (ca Attributes) Delete(key string) bool {
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60 if ca == nil {
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61 return false
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62 }
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63 if _, found := ca[key]; !found {
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64 return false
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65 }
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66 delete(ca, key)
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67 return true
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68 }
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69
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70 // Get fetches a value for given key out of the configuration.
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71 // If the key was not found the bool component of the return value
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72 // return false.
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73 func (ca Attributes) Get(key string) (string, bool) {
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74 if ca == nil {
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75 return "", false
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76 }
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77 value, found := ca[key]
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78 return value, found
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79 }
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80
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81 func (ca Attributes) Set(key, value string) bool {
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82 if ca == nil {
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83 return false
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84 }
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85 ca[key] = value
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86 return true
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87 }
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88
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89 // Bool returns a bool value for a given key.
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90 func (ca Attributes) Bool(key string) bool {
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91 s, found := ca.Get(key)
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92 return found && strings.ToLower(s) == "true"
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93 }
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94
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95 func (ca Attributes) SetBool(key string, value bool) bool {
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96 var v string
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97 if value {
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98 v = "true"
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99 } else {
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100 v = "false"
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101 }
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102 return ca.Set(key, v)
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103 }
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104
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105 func (ca Attributes) Date(key string) (time.Time, bool) {
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106 s, found := ca.Get(key)
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107 if !found {
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108 return time.Time{}, false
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109 }
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110 d, err := time.Parse(DateFormat, s)
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111 if err != nil {
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112 log.Printf("error: %v\n", err)
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113 return time.Time{}, false
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114 }
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115 return d, true
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116 }
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117
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118 func (ca Attributes) SetDate(key string, date time.Time) bool {
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119 s := date.Format(DateFormat)
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120 return ca.Set(key, s)
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121 }
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122
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123 // Time gives a time.Time for a given key.
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124 func (ca Attributes) Time(key string) (time.Time, bool) {
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125 s, found := ca.Get(key)
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126 if !found {
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127 return time.Time{}, false
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128 }
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129 t, err := time.Parse(TimeFormat, s)
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130 if err != nil {
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131 log.Printf("error: %v\n", err)
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132 return time.Time{}, false
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133 }
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134 return t, true
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135 }
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136
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137 func (ca Attributes) SetTime(key string, t time.Time) bool {
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138 value := t.Format(TimeFormat)
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139 return ca.Set(key, value)
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140
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141 }
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142
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143 func (ca Attributes) Int(key string) (int, bool) {
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144 s, found := ca.Get(key)
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145 if !found {
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146 return 0, false
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147 }
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148 i, err := strconv.Atoi(s)
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149 if err != nil {
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150 log.Printf("error: %v\n", err)
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151 return 0, false
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152 }
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153 return i, true
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154 }
1985
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155
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156 func (ca Attributes) SetInt(key string, value int) bool {
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157 v := strconv.Itoa(value)
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158 return ca.Set(key, v)
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159 }
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160
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161 func (ca Attributes) Duration(key string) (time.Duration, bool) {
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162 s, found := ca.Get(key)
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163 if !found {
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164 return 0, false
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165 }
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166 d, err := time.ParseDuration(s)
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167 if err != nil {
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168 log.Printf("error: %v\n", err)
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169 return 0, false
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170 }
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171 return d, true
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172 }
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173
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174 func (ca Attributes) SetDuration(key string, value time.Duration) bool {
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175 v := value.String()
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176 return ca.Set(key, v)
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177 }