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