Mercurial > libervia-templates
annotate sat_templates/templates/default/static/common.js @ 224:22a082143bc0
install (setup.py): setup.py is now Python 3
author | Goffi <goffi@goffi.org> |
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date | Sat, 09 Nov 2019 19:49:46 +0100 |
parents | cede18c118c9 |
children | 0e69b5843c2f |
rev | line source |
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1 var __session_storage_available; |
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2 var __local_storage_available; |
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3 |
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4 function storageAvailable(type) { |
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5 /* check if session or local storage is available |
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6 * |
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7 * @param type(string): "session" or "storage" |
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8 * @return (boolean): true if requested storage is available |
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9 */ |
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10 console.assert(type === 'session' || type === 'storage', "bad storage type (%s)", type); |
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11 const var_name = '__' + type + '_storage_available'; |
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12 var available = window[var_name]; |
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13 if (available === undefined) { |
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14 // test method from https://developer.mozilla.org/en-US/docs/Web/API/Web_Storage_API/Using_the_Web_Storage_API |
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15 var storage = window[type + 'Storage']; |
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16 try { |
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17 x = '__storage_test__'; |
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18 storage.setItem(x, x); |
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19 storage.removeItem(x); |
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20 available = true; |
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21 } |
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22 catch(e) { |
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23 available = e instanceof DOMException && ( |
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24 // everything except Firefox |
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25 e.code === 22 || |
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26 // Firefox |
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27 e.code === 1014 || |
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28 // test name field too, because code might not be present |
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29 // everything except Firefox |
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30 e.name === 'QuotaExceededError' || |
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31 // Firefox |
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32 e.name === 'NS_ERROR_DOM_QUOTA_REACHED') && |
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33 // acknowledge QuotaExceededError only if there's something already stored |
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34 storage.length !== 0; |
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35 } |
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36 |
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37 if (!available) { |
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38 console.warn("%s storage not available", type); |
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39 } |
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40 window[var_name] = available; |
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41 } |
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42 |
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43 return available; |
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44 } |
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45 |
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46 function toggle_clicked_class_tag(tag_name, class_name='state_clicked') { |
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47 for (let elt of document.getElementsByTagName(tag_name)) { |
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48 elt.classList.toggle(class_name); |
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49 } |
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50 } |
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51 |
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52 function toggle_clicked_class_sel(selectors, class_name='state_clicked') { |
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53 for (let elt of document.querySelectorAll(selectors)) { |
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54 elt.classList.toggle(class_name); |
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55 } |
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56 } |
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57 |
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58 function set_clicked_class_id(trigger_elem_id, target_elem_id=null, class_name='state_clicked') { |
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59 if (target_elem_id === null) { target_elem_id = trigger_elem_id; } |
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60 document.getElementById(trigger_elem_id).addEventListener( |
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61 "click", |
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62 function() { |
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63 document.getElementById(target_elem_id).classList.toggle(class_name); |
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64 } |
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65 ); |
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66 } |
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67 |
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68 function tab_select(tab_btn_elt, tab_page_id) { |
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69 for (let elt of document.getElementsByClassName("tab__btn")) { |
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70 if (elt === tab_btn_elt) { |
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71 elt.classList.add('state_clicked'); |
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72 } |
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73 else { |
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74 elt.classList.remove('state_clicked'); |
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75 } |
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76 } |
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77 let tab_page_elt = document.getElementById(tab_page_id); |
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78 for (let elt of document.getElementsByClassName("tab__page")) { |
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79 if (elt === tab_page_elt) { |
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80 elt.classList.add('state_clicked'); |
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81 } |
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82 else { |
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83 elt.classList.remove('state_clicked'); |
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84 } |
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85 } |
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86 } |
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87 |
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88 function get_elt(arg) { |
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89 if (typeof arg === 'string') { |
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90 // we should have an id |
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91 return document.getElementById(arg); |
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92 } |
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93 else { |
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94 // we should have an element |
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95 return arg; |
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96 } |
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97 } |
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98 |
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99 function clicked_cls(elt) { |
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100 /* toggle "state_clicked" class on each click, and remove "state_init" class if present */ |
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101 // state_init |
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102 if (elt.classList.contains("state_init")) { |
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103 elt.classList.remove("state_init"); |
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104 } |
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105 |
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106 // clicked |
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107 elt.classList.toggle("state_clicked"); |
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108 } |
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109 |
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110 function clicked_mh_fix(arg, max_height) { |
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111 /* toggle state_clicked, and fix max-height on transitionend |
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112 * |
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113 * needed to workaround transition issue with max-height:none |
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114 * inspired from https://css-tricks.com/using-css-transitions-auto-dimensions, |
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115 * thanks to Brandon Smith |
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116 * |
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117 * @param arg(string, DOM element): element to toggle (id as string, or element itself) |
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118 * @param max_height(int): maximum height when collapsed (default to clientHeight) |
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119 * */ |
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120 elt = get_elt(arg); |
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121 |
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122 if (!elt.classList.contains("state_clicked")) { |
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123 /* expand */ |
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124 let fix_expand = function(event) { |
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125 elt.removeEventListener("transitionend", fix_expand, false); |
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126 if (elt.classList.contains("state_clicked")) { |
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127 /* if event is clicked quicker than transition time, |
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128 * this callback can be called on reduce */ |
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129 elt.style.maxHeight = "none"; |
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130 } |
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131 }; |
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132 |
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133 if (!elt.hasAttribute('_max_height_init')) { |
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134 elt.setAttribute('_max_height_init', max_height!==undefined?max_height:elt.clientHeight); |
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135 } |
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136 elt.addEventListener("transitionend", fix_expand, false); |
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137 clicked_cls(elt); |
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138 elt.style.maxHeight = elt.scrollHeight + 'px'; |
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139 |
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140 } |
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141 else { |
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142 /* reduce */ |
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143 let transition_save = elt.style.transition; |
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144 elt.style.transition = ''; |
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145 requestAnimationFrame(function() { |
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146 elt.style.maxHeight = elt.scrollHeight + 'px'; |
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147 elt.style.transition = transition_save; |
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148 |
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149 requestAnimationFrame(function() { |
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150 elt.style.maxHeight = elt.getAttribute('_max_height_init') + 'px'; |
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151 }); |
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152 }); |
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153 |
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154 clicked_cls(elt); |
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155 } |
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156 } |
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157 |
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158 function createElement(html) { |
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159 /* create a DOM element from raw HTML |
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160 * |
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161 * @param html(string): raw HTML to parse |
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162 * @return: DOM element |
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163 */ |
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164 |
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165 let template = document.createElement('template'); |
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166 template.innerHTML = html.trim(); |
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167 new_element = template.content.firstChild; |
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168 return new_element; |
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169 } |
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170 |
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171 |
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172 function fitHeightToContent(elt) { |
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173 /* adapt height to content, specially useful for iframe */ |
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174 elt.style.height = elt.contentWindow.document.body.scrollHeight + 80 + 'px'; |
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175 } |