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63
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1 /*
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2 * fallback for console.log calls
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3 */
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4 if (typeof(console) == 'undefined') {
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5 console = {
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6 log : function(){},
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7 debug : function(){},
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8 error : function(){},
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9 }
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10 }
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11
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12 function defined(x) {
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13 // returns if x is defined
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14 return (typeof arguments[0] != "undefined");
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15 }
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16
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17 /*
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18 * guiBlocks base
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19 */
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20 function guiBlocks(container) {
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21 // list of blocks
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22 this.blocks = [];
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23 this.containerElement = container;
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24 return this;
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25 }
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26 //var guiBlocks = new Object();
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27
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28 /*
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29 * Block base class
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30 */
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31 guiBlocks.Block = function(id, element) {
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32 this.id = id; // the blocks html id
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33 this.element = element; // the html dom element
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34 this.storeId = null; // the id in online storage
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35 this.params = new Object(); // parameters to store
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36 return this;
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37 };
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38
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39 // create a new block and add it to the current workspaces stack
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40 guiBlocks.prototype.addBlock = function(url, baseId, params, whenDone) {
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41 // old version compatibility
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42 if (typeof(params) == "function") {
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43 whenDone = params;
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44 }
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45 // add title to url
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46 var newblock = $("<div>Block loading...</div>");
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47 var newid=baseId+"_"+randomString();
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48 var container = this.containerElement;
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49 console.debug("addblock newid="+newid);
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50 newblock.hide();
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51 newblock.load(url, function() {
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52 // after load function
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53 console.debug("addblock after load block");
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54 console.debug(container);
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55 $(this).find(".block").attr("id",newid);
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56 $(this).appendTo(container);
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57 // chain done function
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58 if (typeof(whenDone) == "function") {
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59 // chain whenDone
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60 whenDone();
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61 } else {
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62 // default after load function
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63 $(this).fadeIn();
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64 };
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65
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66 });
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67 // create new Block object
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68 var block = new guiBlocks.Block(newid, newblock);
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69 // add parameters
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70 if (typeof(params) != "object") {
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71 // create new params
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72 params = {"id": newid};
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73 } else if (typeof(params.id) == "undefined") {
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74 // must be new block (with params)
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75 params.id = newid;
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76 }
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77 block.params = params;
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78 // add to list of blocks
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79 this.blocks.push(block);
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80 return block;
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81 }
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82
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83 guiBlocks.prototype.getBlock = function(id) {
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84 for (b in this.blocks) {
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85 if (b.id == id) {
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86 return b;
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87 }
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88 }
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89 return null;
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90 }
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91
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92 /*
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93 guiBlocks.prototype.getStoreItem = function(tag,type,item) {
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94 // get item from online storage
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95 jQuery.get();
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96 }
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97 */
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98
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99 guiBlocks.prototype.loadListOfItems = function(storeTag,storeType,callback) {
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100 // loads list of id and type objects and executes callback function
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101 var url = "../db/RESTjson/db/public/gui_objects/"+escape(storeTag)+"/"+storeType+"?recursive=true";
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102 jQuery.getJSON(url,callback);
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103 }
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104
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105
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106 guiBlocks.Block.prototype.storeBlock = function(storeTag) {
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107 var storeType = this.params.type;
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108 var storeItem = this.params.id;
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109 var url = "../db/RESTjson/db/public/gui_objects/"+escape(storeTag)+"/"+storeType+"/"+storeItem;
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110 var ds = JSON.stringify(this.params);
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111 jQuery.ajax({
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112 type: "PUT",
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113 url: url,
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114 data: ds,
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115 success: function(msg){
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116 console.debug("PUT success msg=",msg);
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117 this.storeId = storeItem;
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118 }
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119 });
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120 };
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121
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122
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123
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124 // collapse the block so that only its titlebar is visible
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125 function foldBlock(segment){
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126 if (! segment) {
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127 return;
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128 }
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129 if(segment.hasClass("folded")){
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130 //if the segment is collapsed
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131 segment.removeClass("folded");
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132 segment.find(".body").slideDown();
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133 } else{
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134 //if the segment is expanded
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135 segment.addClass("folded");
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136 segment.find(".body").slideUp();
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137 }
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138 }
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139
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140 function switchSubscreens(container, id1, id2) {
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141 var oldScreen = container.find("#"+id1);
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142 var newScreen = container.find("#"+id2);
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143
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144 oldScreen.fadeOut();
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145 newScreen.fadeIn();
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146 }
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147
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148 function guiBlocks_init() {
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149 // initialize collapsed windows
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150 $("div.block.folded").each(function(e){
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151 $(this).find(".body").slideUp();
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152 });
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153
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154 // TitleBar Click
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155 $("div.block div.titlebar h1").live("click", function(e) {
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156 var segment = $(this).parents().filter("div.block");
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157 foldBlock(segment);
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158 });
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159
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160 // TitleBar Close
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161 $("div.block div.titlebar div.close_button").live("click", function(e){
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162 segment = $(this).parents().filter("div.block");
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163 segment.fadeOut(function(){ segment.remove()});
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164 });
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165
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166 };
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167
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168
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169 function randomString() {
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170 var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
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171 var string_length = 8;
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172 var randomstring = '';
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173 for (var i=0; i<string_length; i++) {
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174 var rnum = Math.floor(Math.random() * chars.length);
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175 randomstring += chars.substring(rnum,rnum+1);
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176 }
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177 return randomstring;
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178 }
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179
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