526 lines
17 KiB
JavaScript
526 lines
17 KiB
JavaScript
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/******
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*
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* EditArea
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* Developped by Christophe Dolivet
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* Released under LGPL, Apache and BSD licenses (use the one you want)
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*
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******/
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function EditArea(){
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var t=this;
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t.error= false; // to know if load is interrrupt
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t.inlinePopup= [{popup_id: "area_search_replace", icon_id: "search"},
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{popup_id: "edit_area_help", icon_id: "help"}];
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t.plugins= {};
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t.line_number=0;
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parent.editAreaLoader.set_browser_infos(t); // navigator identification
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// fix IE8 detection as we run in IE7 emulate mode through X-UA <meta> tag
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if( t.isIE >= 8 )
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t.isIE = 7;
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t.last_selection={};
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t.last_text_to_highlight="";
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t.last_hightlighted_text= "";
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t.syntax_list= [];
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t.allready_used_syntax= {};
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t.check_line_selection_timer= 50; // the timer delay for modification and/or selection change detection
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t.textareaFocused= false;
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t.highlight_selection_line= null;
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t.previous= [];
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t.next= [];
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t.last_undo="";
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t.files= {};
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t.filesIdAssoc= {};
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t.curr_file= '';
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//t.loaded= false;
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t.assocBracket={};
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t.revertAssocBracket= {};
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// bracket selection init
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t.assocBracket["("]=")";
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t.assocBracket["{"]="}";
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t.assocBracket["["]="]";
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for(var index in t.assocBracket){
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t.revertAssocBracket[t.assocBracket[index]]=index;
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}
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t.is_editable= true;
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/*t.textarea="";
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t.state="declare";
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t.code = []; // store highlight syntax for languagues*/
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// font datas
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t.lineHeight= 16;
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/*t.default_font_family= "monospace";
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t.default_font_size= 10;*/
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t.tab_nb_char= 8; //nb of white spaces corresponding to a tabulation
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if(t.isOpera)
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t.tab_nb_char= 6;
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t.is_tabbing= false;
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t.fullscreen= {'isFull': false};
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t.isResizing=false; // resize var
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// init with settings and ID (area_id is a global var defined by editAreaLoader on iframe creation
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t.id= area_id;
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t.settings= editAreas[t.id]["settings"];
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if((""+t.settings['replace_tab_by_spaces']).match(/^[0-9]+$/))
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{
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t.tab_nb_char= t.settings['replace_tab_by_spaces'];
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t.tabulation="";
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for(var i=0; i<t.tab_nb_char; i++)
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t.tabulation+=" ";
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}else{
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t.tabulation="\t";
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}
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// retrieve the init parameter for syntax
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if(t.settings["syntax_selection_allow"] && t.settings["syntax_selection_allow"].length>0)
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t.syntax_list= t.settings["syntax_selection_allow"].replace(/ /g,"").split(",");
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if(t.settings['syntax'])
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t.allready_used_syntax[t.settings['syntax']]=true;
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};
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EditArea.prototype.init= function(){
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var t=this, a, s=t.settings;
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t.textarea = _$("textarea");
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t.container = _$("container");
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t.result = _$("result");
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t.content_highlight = _$("content_highlight");
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t.selection_field = _$("selection_field");
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t.selection_field_text= _$("selection_field_text");
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t.processing_screen = _$("processing");
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t.editor_area = _$("editor");
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t.tab_browsing_area = _$("tab_browsing_area");
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t.test_font_size = _$("test_font_size");
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a = t.textarea;
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if(!s['is_editable'])
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t.set_editable(false);
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t.set_show_line_colors( s['show_line_colors'] );
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if(syntax_selec= _$("syntax_selection"))
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{
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// set up syntax selection lsit in the toolbar
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for(var i=0; i<t.syntax_list.length; i++) {
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var syntax= t.syntax_list[i];
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var option= document.createElement("option");
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option.value= syntax;
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if(syntax==s['syntax'])
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option.selected= "selected";
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option.innerHTML= t.get_translation("syntax_" + syntax, "word");
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syntax_selec.appendChild(option);
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}
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}
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// add plugins buttons in the toolbar
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spans= parent.getChildren(_$("toolbar_1"), "span", "", "", "all", -1);
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for(var i=0; i<spans.length; i++){
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id=spans[i].id.replace(/tmp_tool_(.*)/, "$1");
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if(id!= spans[i].id){
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for(var j in t.plugins){
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if(typeof(t.plugins[j].get_control_html)=="function" ){
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html=t.plugins[j].get_control_html(id);
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if(html!=false){
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html= t.get_translation(html, "template");
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var new_span= document.createElement("span");
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new_span.innerHTML= html;
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var father= spans[i].parentNode;
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spans[i].parentNode.replaceChild(new_span, spans[i]);
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break; // exit the for loop
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}
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}
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}
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}
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}
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// init datas
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//a.value = 'a';//editAreas[t.id]["textarea"].value;
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if(s["debug"])
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{
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t.debug=parent.document.getElementById("edit_area_debug_"+t.id);
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}
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// init size
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//this.update_size();
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if(_$("redo") != null)
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t.switchClassSticky(_$("redo"), 'editAreaButtonDisabled', true);
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// insert css rules for highlight mode
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if(typeof(parent.editAreaLoader.syntax[s["syntax"]])!="undefined"){
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for(var i in parent.editAreaLoader.syntax){
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if (typeof(parent.editAreaLoader.syntax[i]["styles"]) != "undefined"){
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t.add_style(parent.editAreaLoader.syntax[i]["styles"]);
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}
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}
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}
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// init key events
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if(t.isOpera)
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_$("editor").onkeypress = keyDown;
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else
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_$("editor").onkeydown = keyDown;
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for(var i=0; i<t.inlinePopup.length; i++){
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if(t.isOpera)
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_$(t.inlinePopup[i]["popup_id"]).onkeypress = keyDown;
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else
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_$(t.inlinePopup[i]["popup_id"]).onkeydown = keyDown;
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}
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if(s["allow_resize"]=="both" || s["allow_resize"]=="x" || s["allow_resize"]=="y")
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t.allow_resize(true);
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parent.editAreaLoader.toggle(t.id, "on");
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//a.focus();
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// line selection init
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t.change_smooth_selection_mode(editArea.smooth_selection);
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// highlight
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t.execCommand("change_highlight", s["start_highlight"]);
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// get font size datas
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t.set_font(editArea.settings["font_family"], editArea.settings["font_size"]);
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// set unselectable text
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children= parent.getChildren(document.body, "", "selec", "none", "all", -1);
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for(var i=0; i<children.length; i++){
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if(t.isIE)
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children[i].unselectable = true; // IE
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else
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children[i].onmousedown= function(){return false};
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/* children[i].style.MozUserSelect = "none"; // Moz
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children[i].style.KhtmlUserSelect = "none"; // Konqueror/Safari*/
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}
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a.spellcheck= s["gecko_spellcheck"];
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/** Browser specific style fixes **/
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// fix rendering bug for highlighted lines beginning with no tabs
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if( t.isFirefox >= '3' ) {
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t.content_highlight.style.paddingLeft= "1px";
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t.selection_field.style.paddingLeft= "1px";
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t.selection_field_text.style.paddingLeft= "1px";
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}
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if(t.isIE && t.isIE < 8 ){
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a.style.marginTop= "-1px";
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}
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/*
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if(t.isOpera){
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t.editor_area.style.position= "absolute";
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}*/
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if( t.isSafari ){
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t.editor_area.style.position = "absolute";
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a.style.marginLeft ="-3px";
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if( t.isSafari < 3.2 ) // Safari 3.0 (3.1?)
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a.style.marginTop ="1px";
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}
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// si le textarea n'est pas grand, un click sous le textarea doit provoquer un focus sur le textarea
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parent.editAreaLoader.add_event(t.result, "click", function(e){ if((e.target || e.srcElement)==editArea.result) { editArea.area_select(editArea.textarea.value.length, 0);} });
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if(s['is_multi_files']!=false)
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t.open_file({'id': t.curr_file, 'text': ''});
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t.set_word_wrap( s['word_wrap'] );
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setTimeout("editArea.focus();editArea.manage_size();editArea.execCommand('EA_load');", 10);
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//start checkup routine
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t.check_undo();
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t.check_line_selection(true);
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t.scroll_to_view();
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for(var i in t.plugins){
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if(typeof(t.plugins[i].onload)=="function")
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t.plugins[i].onload();
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}
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if(s['fullscreen']==true)
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t.toggle_full_screen(true);
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parent.editAreaLoader.add_event(window, "resize", editArea.update_size);
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parent.editAreaLoader.add_event(parent.window, "resize", editArea.update_size);
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parent.editAreaLoader.add_event(top.window, "resize", editArea.update_size);
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parent.editAreaLoader.add_event(window, "unload", function(){
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// in case where editAreaLoader have been already cleaned
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if( parent.editAreaLoader )
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{
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parent.editAreaLoader.remove_event(parent.window, "resize", editArea.update_size);
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parent.editAreaLoader.remove_event(top.window, "resize", editArea.update_size);
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}
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if(editAreas[editArea.id] && editAreas[editArea.id]["displayed"]){
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editArea.execCommand("EA_unload");
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}
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});
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/*date= new Date();
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alert(date.getTime()- parent.editAreaLoader.start_time);*/
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};
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//called by the toggle_on
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EditArea.prototype.update_size= function(){
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var d=document,pd=parent.document,height,width,popup,maxLeft,maxTop;
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if( typeof editAreas != 'undefined' && editAreas[editArea.id] && editAreas[editArea.id]["displayed"]==true){
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if(editArea.fullscreen['isFull']){
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pd.getElementById("frame_"+editArea.id).style.width = pd.getElementsByTagName("html")[0].clientWidth + "px";
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pd.getElementById("frame_"+editArea.id).style.height = pd.getElementsByTagName("html")[0].clientHeight + "px";
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}
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if(editArea.tab_browsing_area.style.display=='block' && ( !editArea.isIE || editArea.isIE >= 8 ) )
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{
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editArea.tab_browsing_area.style.height = "0px";
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editArea.tab_browsing_area.style.height = (editArea.result.offsetTop - editArea.tab_browsing_area.offsetTop -1)+"px";
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}
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height = d.body.offsetHeight - editArea.get_all_toolbar_height() - 4;
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editArea.result.style.height = height +"px";
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width = d.body.offsetWidth -2;
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editArea.result.style.width = width+"px";
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//alert("result h: "+ height+" w: "+width+"\ntoolbar h: "+this.get_all_toolbar_height()+"\nbody_h: "+document.body.offsetHeight);
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// check that the popups don't get out of the screen
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for( i=0; i < editArea.inlinePopup.length; i++ )
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{
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popup = _$(editArea.inlinePopup[i]["popup_id"]);
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maxLeft = d.body.offsetWidth - popup.offsetWidth;
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maxTop = d.body.offsetHeight - popup.offsetHeight;
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if( popup.offsetTop > maxTop )
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popup.style.top = maxTop+"px";
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if( popup.offsetLeft > maxLeft )
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popup.style.left = maxLeft+"px";
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}
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editArea.manage_size( true );
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editArea.fixLinesHeight( editArea.textarea.value, 0,-1);
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}
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};
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EditArea.prototype.manage_size= function(onlyOneTime){
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if(!editAreas[this.id])
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return false;
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if(editAreas[this.id]["displayed"]==true && this.textareaFocused)
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{
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var area_height,resized= false;
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//1) Manage display width
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//1.1) Calc the new width to use for display
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if( !this.settings['word_wrap'] )
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{
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var area_width= this.textarea.scrollWidth;
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area_height= this.textarea.scrollHeight;
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// bug on old opera versions
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if(this.isOpera && this.isOpera < 9.6 ){
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area_width=10000;
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}
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//1.2) the width is not the same, we must resize elements
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if(this.textarea.previous_scrollWidth!=area_width)
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{
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this.container.style.width= area_width+"px";
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this.textarea.style.width= area_width+"px";
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this.content_highlight.style.width= area_width+"px";
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this.textarea.previous_scrollWidth=area_width;
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resized=true;
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}
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}
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// manage wrap width
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if( this.settings['word_wrap'] )
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{
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newW=this.textarea.offsetWidth;
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if( this.isFirefox || this.isIE )
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newW-=2;
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if( this.isSafari )
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newW-=6;
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this.content_highlight.style.width=this.selection_field_text.style.width=this.selection_field.style.width=this.test_font_size.style.width=newW+"px";
|
||
|
|
}
|
||
|
|
|
||
|
|
//2) Manage display height
|
||
|
|
//2.1) Calc the new height to use for display
|
||
|
|
if( this.isOpera || this.isFirefox || this.isSafari ) {
|
||
|
|
area_height= this.getLinePosTop( this.last_selection["nb_line"] + 1 );
|
||
|
|
} else {
|
||
|
|
area_height = this.textarea.scrollHeight;
|
||
|
|
}
|
||
|
|
//2.2) the width is not the same, we must resize elements
|
||
|
|
if(this.textarea.previous_scrollHeight!=area_height)
|
||
|
|
{
|
||
|
|
this.container.style.height= (area_height+2)+"px";
|
||
|
|
this.textarea.style.height= area_height+"px";
|
||
|
|
this.content_highlight.style.height= area_height+"px";
|
||
|
|
this.textarea.previous_scrollHeight= area_height;
|
||
|
|
resized=true;
|
||
|
|
}
|
||
|
|
|
||
|
|
//3) if there is new lines, we add new line numbers in the line numeration area
|
||
|
|
if(this.last_selection["nb_line"] >= this.line_number)
|
||
|
|
{
|
||
|
|
var newLines= '', destDiv=_$("line_number"), start=this.line_number, end=this.last_selection["nb_line"]+100;
|
||
|
|
for( i = start+1; i < end; i++ )
|
||
|
|
{
|
||
|
|
newLines+='<div id="line_'+ i +'">'+i+"</div>";
|
||
|
|
this.line_number++;
|
||
|
|
}
|
||
|
|
destDiv.innerHTML= destDiv.innerHTML + newLines;
|
||
|
|
|
||
|
|
this.fixLinesHeight( this.textarea.value, start, -1 );
|
||
|
|
}
|
||
|
|
|
||
|
|
//4) be sure the text is well displayed
|
||
|
|
this.textarea.scrollTop="0px";
|
||
|
|
this.textarea.scrollLeft="0px";
|
||
|
|
if(resized==true){
|
||
|
|
this.scroll_to_view();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!onlyOneTime)
|
||
|
|
setTimeout("editArea.manage_size();", 100);
|
||
|
|
};
|
||
|
|
|
||
|
|
EditArea.prototype.execCommand= function(cmd, param){
|
||
|
|
|
||
|
|
for(var i in this.plugins){
|
||
|
|
if(typeof(this.plugins[i].execCommand)=="function"){
|
||
|
|
if(!this.plugins[i].execCommand(cmd, param))
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
switch(cmd){
|
||
|
|
case "save":
|
||
|
|
if(this.settings["save_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["save_callback"]+"('"+ this.id +"', editArea.textarea.value);");
|
||
|
|
break;
|
||
|
|
case "load":
|
||
|
|
if(this.settings["load_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["load_callback"]+"('"+ this.id +"');");
|
||
|
|
break;
|
||
|
|
case "onchange":
|
||
|
|
if(this.settings["change_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["change_callback"]+"('"+ this.id +"');");
|
||
|
|
break;
|
||
|
|
case "EA_load":
|
||
|
|
if(this.settings["EA_load_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["EA_load_callback"]+"('"+ this.id +"');");
|
||
|
|
break;
|
||
|
|
case "EA_unload":
|
||
|
|
if(this.settings["EA_unload_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["EA_unload_callback"]+"('"+ this.id +"');");
|
||
|
|
break;
|
||
|
|
case "toggle_on":
|
||
|
|
if(this.settings["EA_toggle_on_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["EA_toggle_on_callback"]+"('"+ this.id +"');");
|
||
|
|
break;
|
||
|
|
case "toggle_off":
|
||
|
|
if(this.settings["EA_toggle_off_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["EA_toggle_off_callback"]+"('"+ this.id +"');");
|
||
|
|
break;
|
||
|
|
case "re_sync":
|
||
|
|
if(!this.do_highlight)
|
||
|
|
break;
|
||
|
|
case "file_switch_on":
|
||
|
|
if(this.settings["EA_file_switch_on_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["EA_file_switch_on_callback"]+"(param);");
|
||
|
|
break;
|
||
|
|
case "file_switch_off":
|
||
|
|
if(this.settings["EA_file_switch_off_callback"].length>0)
|
||
|
|
eval("parent."+this.settings["EA_file_switch_off_callback"]+"(param);");
|
||
|
|
break;
|
||
|
|
case "file_close":
|
||
|
|
if(this.settings["EA_file_close_callback"].length>0)
|
||
|
|
return eval("parent."+this.settings["EA_file_close_callback"]+"(param);");
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
if(typeof(eval("editArea."+cmd))=="function")
|
||
|
|
{
|
||
|
|
if(this.settings["debug"])
|
||
|
|
eval("editArea."+ cmd +"(param);");
|
||
|
|
else
|
||
|
|
try{eval("editArea."+ cmd +"(param);");}catch(e){};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
EditArea.prototype.get_translation= function(word, mode){
|
||
|
|
if(mode=="template")
|
||
|
|
return parent.editAreaLoader.translate(word, this.settings["language"], mode);
|
||
|
|
else
|
||
|
|
return parent.editAreaLoader.get_word_translation(word, this.settings["language"]);
|
||
|
|
};
|
||
|
|
|
||
|
|
EditArea.prototype.add_plugin= function(plug_name, plug_obj){
|
||
|
|
for(var i=0; i<this.settings["plugins"].length; i++){
|
||
|
|
if(this.settings["plugins"][i]==plug_name){
|
||
|
|
this.plugins[plug_name]=plug_obj;
|
||
|
|
plug_obj.baseURL=parent.editAreaLoader.baseURL + "plugins/" + plug_name + "/";
|
||
|
|
if( typeof(plug_obj.init)=="function" )
|
||
|
|
plug_obj.init();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
EditArea.prototype.load_css= function(url){
|
||
|
|
try{
|
||
|
|
link = document.createElement("link");
|
||
|
|
link.type = "text/css";
|
||
|
|
link.rel= "stylesheet";
|
||
|
|
link.media="all";
|
||
|
|
link.href = url;
|
||
|
|
head = document.getElementsByTagName("head");
|
||
|
|
head[0].appendChild(link);
|
||
|
|
}catch(e){
|
||
|
|
document.write("<link href='"+ url +"' rel='stylesheet' type='text/css' />");
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
EditArea.prototype.load_script= function(url){
|
||
|
|
try{
|
||
|
|
script = document.createElement("script");
|
||
|
|
script.type = "text/javascript";
|
||
|
|
script.src = url;
|
||
|
|
script.charset= "UTF-8";
|
||
|
|
head = document.getElementsByTagName("head");
|
||
|
|
head[0].appendChild(script);
|
||
|
|
}catch(e){
|
||
|
|
document.write("<script type='text/javascript' src='" + url + "' charset=\"UTF-8\"><"+"/script>");
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// add plugin translation to language translation array
|
||
|
|
EditArea.prototype.add_lang= function(language, values){
|
||
|
|
if(!parent.editAreaLoader.lang[language])
|
||
|
|
parent.editAreaLoader.lang[language]={};
|
||
|
|
for(var i in values)
|
||
|
|
parent.editAreaLoader.lang[language][i]= values[i];
|
||
|
|
};
|
||
|
|
|
||
|
|
// short cut for document.getElementById()
|
||
|
|
function _$(id){return document.getElementById( id );};
|
||
|
|
|
||
|
|
var editArea = new EditArea();
|
||
|
|
parent.editAreaLoader.add_event(window, "load", init);
|
||
|
|
|
||
|
|
function init(){
|
||
|
|
setTimeout("editArea.init(); ", 10);
|
||
|
|
};
|