diff options
Diffstat (limited to 'plugins/LocalFilesEditor/editarea/manage_area.js')
| -rw-r--r-- | plugins/LocalFilesEditor/editarea/manage_area.js | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/plugins/LocalFilesEditor/editarea/manage_area.js b/plugins/LocalFilesEditor/editarea/manage_area.js new file mode 100644 index 000000000..e10c5e941 --- /dev/null +++ b/plugins/LocalFilesEditor/editarea/manage_area.js @@ -0,0 +1,623 @@ + EditArea.prototype.focus = function() {
+ this.textarea.focus();
+ this.textareaFocused=true;
+ };
+
+
+ EditArea.prototype.check_line_selection= function(timer_checkup){
+ var changes, infos, new_top, new_width,i;
+
+ var t1=t2=t2_1=t3=tLines=tend= new Date().getTime();
+ // l'editeur n'existe plus => on quitte
+ if(!editAreas[this.id])
+ return false;
+
+ if(!this.smooth_selection && !this.do_highlight)
+ {
+ //do nothing
+ }
+ else if(this.textareaFocused && editAreas[this.id]["displayed"]==true && this.isResizing==false)
+ {
+ infos = this.get_selection_infos();
+ changes = this.checkTextEvolution( typeof( this.last_selection['full_text'] ) == 'undefined' ? '' : this.last_selection['full_text'], infos['full_text'] );
+
+ t2= new Date().getTime();
+
+ // if selection change
+ if(this.last_selection["line_start"] != infos["line_start"] || this.last_selection["line_nb"] != infos["line_nb"] || infos["full_text"] != this.last_selection["full_text"] || this.reload_highlight || this.last_selection["selectionStart"] != infos["selectionStart"] || this.last_selection["selectionEnd"] != infos["selectionEnd"] || !timer_checkup )
+ {
+ // move and adjust text selection elements
+ new_top = this.getLinePosTop( infos["line_start"] );
+ new_width = Math.max(this.textarea.scrollWidth, this.container.clientWidth -50);
+ this.selection_field.style.top=this.selection_field_text.style.top=new_top+"px";
+ if(!this.settings['word_wrap']){
+ this.selection_field.style.width=this.selection_field_text.style.width=this.test_font_size.style.width=new_width+"px";
+ }
+
+ // usefull? => _$("cursor_pos").style.top=new_top+"px";
+
+ if(this.do_highlight==true)
+ {
+ // fill selection elements
+ var curr_text = infos["full_text"].split("\n");
+ var content = "";
+ //alert("length: "+curr_text.length+ " i: "+ Math.max(0,infos["line_start"]-1)+ " end: "+Math.min(curr_text.length, infos["line_start"]+infos["line_nb"]-1)+ " line: "+infos["line_start"]+" [0]: "+curr_text[0]+" [1]: "+curr_text[1]);
+ var start = Math.max(0,infos["line_start"]-1);
+ var end = Math.min(curr_text.length, infos["line_start"]+infos["line_nb"]-1);
+
+ //curr_text[start]= curr_text[start].substr(0,infos["curr_pos"]-1) +"¤_overline_¤"+ curr_text[start].substr(infos["curr_pos"]-1);
+ for(i=start; i< end; i++){
+ content+= curr_text[i]+"\n";
+ }
+
+ // add special chars arround selected characters
+ selLength = infos['selectionEnd'] - infos['selectionStart'];
+ content = content.substr( 0, infos["curr_pos"] - 1 ) + "\r\r" + content.substr( infos["curr_pos"] - 1, selLength ) + "\r\r" + content.substr( infos["curr_pos"] - 1 + selLength );
+ content = '<span>'+ content.replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace("\r\r", '</span><strong>').replace("\r\r", '</strong><span>') +'</span>';
+
+ if( this.isIE || ( this.isOpera && this.isOpera < 9.6 ) ) {
+ this.selection_field.innerHTML= "<pre>" + content.replace(/^\r?\n/, "<br>") + "</pre>";
+ } else {
+ this.selection_field.innerHTML= content;
+ }
+ this.selection_field_text.innerHTML = this.selection_field.innerHTML;
+ t2_1 = new Date().getTime();
+ // check if we need to update the highlighted background
+ if(this.reload_highlight || (infos["full_text"] != this.last_text_to_highlight && (this.last_selection["line_start"]!=infos["line_start"] || this.show_line_colors || this.settings['word_wrap'] || this.last_selection["line_nb"]!=infos["line_nb"] || this.last_selection["nb_line"]!=infos["nb_line"]) ) )
+ {
+ this.maj_highlight(infos);
+ }
+ }
+ }
+ t3= new Date().getTime();
+
+ // manage line heights
+ if( this.settings['word_wrap'] && infos["full_text"] != this.last_selection["full_text"])
+ {
+ // refresh only 1 line if text change concern only one line and that the total line number has not changed
+ if( changes.newText.split("\n").length == 1 && this.last_selection['nb_line'] && infos['nb_line'] == this.last_selection['nb_line'] )
+ {
+ this.fixLinesHeight( infos['full_text'], changes.lineStart, changes.lineStart );
+ }
+ else
+ {
+ this.fixLinesHeight( infos['full_text'], changes.lineStart, -1 );
+ }
+ }
+
+ tLines= new Date().getTime();
+ // manage bracket finding
+ if( infos["line_start"] != this.last_selection["line_start"] || infos["curr_pos"] != this.last_selection["curr_pos"] || infos["full_text"].length!=this.last_selection["full_text"].length || this.reload_highlight || !timer_checkup )
+ {
+ // move _cursor_pos
+ var selec_char= infos["curr_line"].charAt(infos["curr_pos"]-1);
+ var no_real_move=true;
+ if(infos["line_nb"]==1 && (this.assocBracket[selec_char] || this.revertAssocBracket[selec_char]) ){
+
+ no_real_move=false;
+ //findEndBracket(infos["line_start"], infos["curr_pos"], selec_char);
+ if(this.findEndBracket(infos, selec_char) === true){
+ _$("end_bracket").style.visibility ="visible";
+ _$("cursor_pos").style.visibility ="visible";
+ _$("cursor_pos").innerHTML = selec_char;
+ _$("end_bracket").innerHTML = (this.assocBracket[selec_char] || this.revertAssocBracket[selec_char]);
+ }else{
+ _$("end_bracket").style.visibility ="hidden";
+ _$("cursor_pos").style.visibility ="hidden";
+ }
+ }else{
+ _$("cursor_pos").style.visibility ="hidden";
+ _$("end_bracket").style.visibility ="hidden";
+ }
+ //alert("move cursor");
+ this.displayToCursorPosition("cursor_pos", infos["line_start"], infos["curr_pos"]-1, infos["curr_line"], no_real_move);
+ if(infos["line_nb"]==1 && infos["line_start"]!=this.last_selection["line_start"])
+ this.scroll_to_view();
+ }
+ this.last_selection=infos;
+ }
+
+ tend= new Date().getTime();
+ //if( (tend-t1) > 7 )
+ // console.log( "tps total: "+ (tend-t1) + " tps get_infos: "+ (t2-t1)+ " tps selec: "+ (t2_1-t2)+ " tps highlight: "+ (t3-t2_1) +" tps lines: "+ (tLines-t3) +" tps cursor+lines: "+ (tend-tLines)+" \n" );
+
+
+ if(timer_checkup){
+ setTimeout("editArea.check_line_selection(true)", this.check_line_selection_timer);
+ }
+ };
+
+
+ EditArea.prototype.get_selection_infos= function(){
+ var sel={}, start, end, len, str;
+
+ this.getIESelection();
+ start = this.textarea.selectionStart;
+ end = this.textarea.selectionEnd;
+
+ if( this.last_selection["selectionStart"] == start && this.last_selection["selectionEnd"] == end && this.last_selection["full_text"] == this.textarea.value )
+ {
+ return this.last_selection;
+ }
+
+ if(this.tabulation!="\t" && this.textarea.value.indexOf("\t")!=-1)
+ { // can append only after copy/paste
+ len = this.textarea.value.length;
+ this.textarea.value = this.replace_tab(this.textarea.value);
+ start = end = start+(this.textarea.value.length-len);
+ this.area_select( start, 0 );
+ }
+
+ sel["selectionStart"] = start;
+ sel["selectionEnd"] = end;
+ sel["full_text"] = this.textarea.value;
+ sel["line_start"] = 1;
+ sel["line_nb"] = 1;
+ sel["curr_pos"] = 0;
+ sel["curr_line"] = "";
+ sel["indexOfCursor"] = 0;
+ sel["selec_direction"] = this.last_selection["selec_direction"];
+
+ //return sel;
+ var splitTab= sel["full_text"].split("\n");
+ var nbLine = Math.max(0, splitTab.length);
+ var nbChar = Math.max(0, sel["full_text"].length - (nbLine - 1)); // (remove \n caracters from the count)
+ if( sel["full_text"].indexOf("\r") != -1 )
+ nbChar = nbChar - ( nbLine - 1 ); // (remove \r caracters from the count)
+ sel["nb_line"] = nbLine;
+ sel["nb_char"] = nbChar;
+
+ if(start>0){
+ str = sel["full_text"].substr(0,start);
+ sel["curr_pos"] = start - str.lastIndexOf("\n");
+ sel["line_start"] = Math.max(1, str.split("\n").length);
+ }else{
+ sel["curr_pos"]=1;
+ }
+ if(end>start){
+ sel["line_nb"]=sel["full_text"].substring(start,end).split("\n").length;
+ }
+ sel["indexOfCursor"]=start;
+ sel["curr_line"]=splitTab[Math.max(0,sel["line_start"]-1)];
+
+ // determine in which direction the selection grow
+ if(sel["selectionStart"] == this.last_selection["selectionStart"]){
+ if(sel["selectionEnd"]>this.last_selection["selectionEnd"])
+ sel["selec_direction"]= "down";
+ else if(sel["selectionEnd"] == this.last_selection["selectionStart"])
+ sel["selec_direction"]= this.last_selection["selec_direction"];
+ }else if(sel["selectionStart"] == this.last_selection["selectionEnd"] && sel["selectionEnd"]>this.last_selection["selectionEnd"]){
+ sel["selec_direction"]= "down";
+ }else{
+ sel["selec_direction"]= "up";
+ }
+
+ _$("nbLine").innerHTML = nbLine;
+ _$("nbChar").innerHTML = nbChar;
+ _$("linePos").innerHTML = sel["line_start"];
+ _$("currPos").innerHTML = sel["curr_pos"];
+
+ return sel;
+ };
+
+ // set IE position in Firefox mode (textarea.selectionStart and textarea.selectionEnd)
+ EditArea.prototype.getIESelection= function(){
+ var selectionStart, selectionEnd, range, stored_range;
+
+ if( !this.isIE )
+ return false;
+
+ // make it work as nowrap mode (easier for range manipulation with lineHeight)
+ if( this.settings['word_wrap'] )
+ this.textarea.wrap='off';
+
+ try{
+ range = document.selection.createRange();
+ stored_range = range.duplicate();
+ stored_range.moveToElementText( this.textarea );
+ stored_range.setEndPoint( 'EndToEnd', range );
+ if( stored_range.parentElement() != this.textarea )
+ throw "invalid focus";
+
+ // the range don't take care of empty lines in the end of the selection
+ var scrollTop = this.result.scrollTop + document.body.scrollTop;
+ var relative_top= range.offsetTop - parent.calculeOffsetTop(this.textarea) + scrollTop;
+ var line_start = Math.round((relative_top / this.lineHeight) +1);
+ var line_nb = Math.round( range.boundingHeight / this.lineHeight );
+
+ selectionStart = stored_range.text.length - range.text.length;
+ selectionStart += ( line_start - this.textarea.value.substr(0, selectionStart).split("\n").length)*2; // count missing empty \r to the selection
+ selectionStart -= ( line_start - this.textarea.value.substr(0, selectionStart).split("\n").length ) * 2;
+
+ selectionEnd = selectionStart + range.text.length;
+ selectionEnd += (line_start + line_nb - 1 - this.textarea.value.substr(0, selectionEnd ).split("\n").length)*2;
+
+ this.textarea.selectionStart = selectionStart;
+ this.textarea.selectionEnd = selectionEnd;
+ }
+ catch(e){}
+
+ // restore wrap mode
+ if( this.settings['word_wrap'] )
+ this.textarea.wrap='soft';
+ };
+
+ // select the text for IE (and take care of \r caracters)
+ EditArea.prototype.setIESelection= function(){
+ var a = this.textarea, nbLineStart, nbLineEnd, range;
+
+ if( !this.isIE )
+ return false;
+
+ nbLineStart = a.value.substr(0, a.selectionStart).split("\n").length - 1;
+ nbLineEnd = a.value.substr(0, a.selectionEnd).split("\n").length - 1;
+ range = document.selection.createRange();
+ range.moveToElementText( a );
+ range.setEndPoint( 'EndToStart', range );
+
+ range.moveStart('character', a.selectionStart - nbLineStart);
+ range.moveEnd('character', a.selectionEnd - nbLineEnd - (a.selectionStart - nbLineStart) );
+ range.select();
+ };
+
+
+
+ EditArea.prototype.checkTextEvolution=function(lastText,newText){
+ // ch will contain changes datas
+ var ch={},baseStep=200, cpt=0, end, step,tStart=new Date().getTime();
+
+ end = Math.min(newText.length, lastText.length);
+ step = baseStep;
+ // find how many chars are similar at the begin of the text
+ while( cpt<end && step>=1 ){
+ if(lastText.substr(cpt, step) == newText.substr(cpt, step)){
+ cpt+= step;
+ }else{
+ step= Math.floor(step/2);
+ }
+ }
+
+ ch.posStart = cpt;
+ ch.lineStart= newText.substr(0, ch.posStart).split("\n").length -1;
+
+ cpt_last = lastText.length;
+ cpt = newText.length;
+ step = baseStep;
+ // find how many chars are similar at the end of the text
+ while( cpt>=0 && cpt_last>=0 && step>=1 ){
+ if(lastText.substr(cpt_last-step, step) == newText.substr(cpt-step, step)){
+ cpt-= step;
+ cpt_last-= step;
+ }else{
+ step= Math.floor(step/2);
+ }
+ }
+
+ ch.posNewEnd = cpt;
+ ch.posLastEnd = cpt_last;
+ if(ch.posNewEnd<=ch.posStart){
+ if(lastText.length < newText.length){
+ ch.posNewEnd= ch.posStart + newText.length - lastText.length;
+ ch.posLastEnd= ch.posStart;
+ }else{
+ ch.posLastEnd= ch.posStart + lastText.length - newText.length;
+ ch.posNewEnd= ch.posStart;
+ }
+ }
+ ch.newText = newText.substring(ch.posStart, ch.posNewEnd);
+ ch.lastText = lastText.substring(ch.posStart, ch.posLastEnd);
+
+ ch.lineNewEnd = newText.substr(0, ch.posNewEnd).split("\n").length -1;
+ ch.lineLastEnd = lastText.substr(0, ch.posLastEnd).split("\n").length -1;
+
+ ch.newTextLine = newText.split("\n").slice(ch.lineStart, ch.lineNewEnd+1).join("\n");
+ ch.lastTextLine = lastText.split("\n").slice(ch.lineStart, ch.lineLastEnd+1).join("\n");
+ //console.log( ch );
+ return ch;
+ };
+
+ EditArea.prototype.tab_selection= function(){
+ if(this.is_tabbing)
+ return;
+ this.is_tabbing=true;
+ //infos=getSelectionInfos();
+ //if( document.selection ){
+ this.getIESelection();
+ /* Insertion du code de formatage */
+ var start = this.textarea.selectionStart;
+ var end = this.textarea.selectionEnd;
+ var insText = this.textarea.value.substring(start, end);
+
+ /* Insert tabulation and ajust cursor position */
+ var pos_start=start;
+ var pos_end=end;
+ if (insText.length == 0) {
+ // if only one line selected
+ this.textarea.value = this.textarea.value.substr(0, start) + this.tabulation + this.textarea.value.substr(end);
+ pos_start = start + this.tabulation.length;
+ pos_end=pos_start;
+ } else {
+ start= Math.max(0, this.textarea.value.substr(0, start).lastIndexOf("\n")+1);
+ endText=this.textarea.value.substr(end);
+ startText=this.textarea.value.substr(0, start);
+ tmp= this.textarea.value.substring(start, end).split("\n");
+ insText= this.tabulation+tmp.join("\n"+this.tabulation);
+ this.textarea.value = startText + insText + endText;
+ pos_start = start;
+ pos_end= this.textarea.value.indexOf("\n", startText.length + insText.length);
+ if(pos_end==-1)
+ pos_end=this.textarea.value.length;
+ //pos = start + repdeb.length + insText.length + ;
+ }
+ this.textarea.selectionStart = pos_start;
+ this.textarea.selectionEnd = pos_end;
+
+ //if( document.selection ){
+ if(this.isIE)
+ {
+ this.setIESelection();
+ setTimeout("editArea.is_tabbing=false;", 100); // IE can't accept to make 2 tabulation without a little break between both
+ }
+ else
+ {
+ this.is_tabbing=false;
+ }
+
+ };
+
+ EditArea.prototype.invert_tab_selection= function(){
+ var t=this, a=this.textarea;
+ if(t.is_tabbing)
+ return;
+ t.is_tabbing=true;
+ //infos=getSelectionInfos();
+ //if( document.selection ){
+ t.getIESelection();
+
+ var start = a.selectionStart;
+ var end = a.selectionEnd;
+ var insText = a.value.substring(start, end);
+
+ /* Tab remove and cursor seleciton adjust */
+ var pos_start=start;
+ var pos_end=end;
+ if (insText.length == 0) {
+ if(a.value.substring(start-t.tabulation.length, start)==t.tabulation)
+ {
+ a.value = a.value.substr(0, start-t.tabulation.length) + a.value.substr(end);
+ pos_start = Math.max(0, start-t.tabulation.length);
+ pos_end = pos_start;
+ }
+ /*
+ a.value = a.value.substr(0, start) + t.tabulation + insText + a.value.substr(end);
+ pos_start = start + t.tabulation.length;
+ pos_end=pos_start;*/
+ } else {
+ start = a.value.substr(0, start).lastIndexOf("\n")+1;
+ endText = a.value.substr(end);
+ startText = a.value.substr(0, start);
+ tmp = a.value.substring(start, end).split("\n");
+ insText = "";
+ for(i=0; i<tmp.length; i++){
+ for(j=0; j<t.tab_nb_char; j++){
+ if(tmp[i].charAt(0)=="\t"){
+ tmp[i]=tmp[i].substr(1);
+ j=t.tab_nb_char;
+ }else if(tmp[i].charAt(0)==" ")
+ tmp[i]=tmp[i].substr(1);
+ }
+ insText+=tmp[i];
+ if(i<tmp.length-1)
+ insText+="\n";
+ }
+ //insText+="_";
+ a.value = startText + insText + endText;
+ pos_start = start;
+ pos_end = a.value.indexOf("\n", startText.length + insText.length);
+ if(pos_end==-1)
+ pos_end=a.value.length;
+ //pos = start + repdeb.length + insText.length + ;
+ }
+ a.selectionStart = pos_start;
+ a.selectionEnd = pos_end;
+
+ //if( document.selection ){
+ if(t.isIE){
+ // select the text for IE
+ t.setIESelection();
+ setTimeout("editArea.is_tabbing=false;", 100); // IE can accept to make 2 tabulation without a little break between both
+ }else
+ t.is_tabbing=false;
+ };
+
+ EditArea.prototype.press_enter= function(){
+ if(!this.smooth_selection)
+ return false;
+ this.getIESelection();
+ var scrollTop= this.result.scrollTop;
+ var scrollLeft= this.result.scrollLeft;
+ var start=this.textarea.selectionStart;
+ var end= this.textarea.selectionEnd;
+ var start_last_line= Math.max(0 , this.textarea.value.substring(0, start).lastIndexOf("\n") + 1 );
+ var begin_line= this.textarea.value.substring(start_last_line, start).replace(/^([ \t]*).*/gm, "$1");
+ var lineStart = this.textarea.value.substring(0, start).split("\n").length;
+ if(begin_line=="\n" || begin_line=="\r" || begin_line.length==0)
+ {
+ return false;
+ }
+
+ if(this.isIE || ( this.isOpera && this.isOpera < 9.6 ) ){
+ begin_line="\r\n"+ begin_line;
+ }else{
+ begin_line="\n"+ begin_line;
+ }
+ //alert(start_last_line+" strat: "+start +"\n"+this.textarea.value.substring(start_last_line, start)+"\n_"+begin_line+"_")
+ this.textarea.value= this.textarea.value.substring(0, start) + begin_line + this.textarea.value.substring(end);
+
+ this.area_select(start+ begin_line.length ,0);
+ // during this process IE scroll back to the top of the textarea
+ if(this.isIE){
+ this.result.scrollTop = scrollTop;
+ this.result.scrollLeft = scrollLeft;
+ }
+ return true;
+
+ };
+
+ EditArea.prototype.findEndBracket= function(infos, bracket){
+
+ var start=infos["indexOfCursor"];
+ var normal_order=true;
+ //curr_text=infos["full_text"].split("\n");
+ if(this.assocBracket[bracket])
+ endBracket=this.assocBracket[bracket];
+ else if(this.revertAssocBracket[bracket]){
+ endBracket=this.revertAssocBracket[bracket];
+ normal_order=false;
+ }
+ var end=-1;
+ var nbBracketOpen=0;
+
+ for(var i=start; i<infos["full_text"].length && i>=0; ){
+ if(infos["full_text"].charAt(i)==endBracket){
+ nbBracketOpen--;
+ if(nbBracketOpen<=0){
+ //i=infos["full_text"].length;
+ end=i;
+ break;
+ }
+ }else if(infos["full_text"].charAt(i)==bracket)
+ nbBracketOpen++;
+ if(normal_order)
+ i++;
+ else
+ i--;
+ }
+
+ //end=infos["full_text"].indexOf("}", start);
+ if(end==-1)
+ return false;
+ var endLastLine=infos["full_text"].substr(0, end).lastIndexOf("\n");
+ if(endLastLine==-1)
+ line=1;
+ else
+ line= infos["full_text"].substr(0, endLastLine).split("\n").length + 1;
+
+ var curPos= end - endLastLine - 1;
+ var endLineLength = infos["full_text"].substring(end).split("\n")[0].length;
+ this.displayToCursorPosition("end_bracket", line, curPos, infos["full_text"].substring(endLastLine +1, end + endLineLength));
+ return true;
+ };
+
+ EditArea.prototype.displayToCursorPosition= function(id, start_line, cur_pos, lineContent, no_real_move){
+ var elem,dest,content,posLeft=0,posTop,fixPadding,topOffset,endElem;
+
+ elem = this.test_font_size;
+ dest = _$(id);
+ content = "<span id='test_font_size_inner'>"+lineContent.substr(0, cur_pos).replace(/&/g,"&").replace(/</g,"<")+"</span><span id='endTestFont'>"+lineContent.substr(cur_pos).replace(/&/g,"&").replace(/</g,"<")+"</span>";
+ if( this.isIE || ( this.isOpera && this.isOpera < 9.6 ) ) {
+ elem.innerHTML= "<pre>" + content.replace(/^\r?\n/, "<br>") + "</pre>";
+ } else {
+ elem.innerHTML= content;
+ }
+
+
+ endElem = _$('endTestFont');
+ topOffset = endElem.offsetTop;
+ fixPadding = parseInt( this.content_highlight.style.paddingLeft.replace("px", "") );
+ posLeft = 45 + endElem.offsetLeft + ( !isNaN( fixPadding ) && topOffset > 0 ? fixPadding : 0 );
+ posTop = this.getLinePosTop( start_line ) + topOffset;// + Math.floor( ( endElem.offsetHeight - 1 ) / this.lineHeight ) * this.lineHeight;
+
+ // detect the case where the span start on a line but has no display on it
+ if( this.isIE && cur_pos > 0 && endElem.offsetLeft == 0 )
+ {
+ posTop += this.lineHeight;
+ }
+ if(no_real_move!=true){ // when the cursor is hidden no need to move him
+ dest.style.top=posTop+"px";
+ dest.style.left=posLeft+"px";
+ }
+ // usefull for smarter scroll
+ dest.cursor_top=posTop;
+ dest.cursor_left=posLeft;
+ // _$(id).style.marginLeft=posLeft+"px";
+ };
+
+ EditArea.prototype.getLinePosTop= function(start_line){
+ var elem= _$('line_'+ start_line), posTop=0;
+ if( elem )
+ posTop = elem.offsetTop;
+ else
+ posTop = this.lineHeight * (start_line-1);
+ return posTop;
+ };
+
+
+ // return the dislpayed height of a text (take word-wrap into account)
+ EditArea.prototype.getTextHeight= function(text){
+ var t=this,elem,height;
+ elem = t.test_font_size;
+ content = text.replace(/&/g,"&").replace(/</g,"<");
+ if( t.isIE || ( this.isOpera && this.isOpera < 9.6 ) ) {
+ elem.innerHTML= "<pre>" + content.replace(/^\r?\n/, "<br>") + "</pre>";
+ } else {
+ elem.innerHTML= content;
+ }
+ height = elem.offsetHeight;
+ height = Math.max( 1, Math.floor( elem.offsetHeight / this.lineHeight ) ) * this.lineHeight;
+ return height;
+ };
+
+ /**
+ * Fix line height for the given lines
+ * @param Integer linestart
+ * @param Integer lineEnd End line or -1 to cover all lines
+ */
+ EditArea.prototype.fixLinesHeight= function( textValue, lineStart,lineEnd ){
+ var aText = textValue.split("\n");
+ if( lineEnd == -1 )
+ lineEnd = aText.length-1;
+ for( var i = Math.max(0, lineStart); i <= lineEnd; i++ )
+ {
+ if( elem = _$('line_'+ ( i+1 ) ) )
+ {
+ elem.style.height= typeof( aText[i] ) != "undefined" ? this.getTextHeight( aText[i] )+"px" : this.lineHeight;
+ }
+ }
+ };
+
+ EditArea.prototype.area_select= function(start, length){
+ this.textarea.focus();
+
+ start = Math.max(0, Math.min(this.textarea.value.length, start));
+ end = Math.max(start, Math.min(this.textarea.value.length, start+length));
+
+ if(this.isIE)
+ {
+ this.textarea.selectionStart = start;
+ this.textarea.selectionEnd = end;
+ this.setIESelection();
+ }
+ else
+ {
+ // Opera bug when moving selection start and selection end
+ if(this.isOpera && this.isOpera < 9.6 )
+ {
+ this.textarea.setSelectionRange(0, 0);
+ }
+ this.textarea.setSelectionRange(start, end);
+ }
+ this.check_line_selection();
+ };
+
+
+ EditArea.prototype.area_get_selection= function(){
+ var text="";
+ if( document.selection ){
+ var range = document.selection.createRange();
+ text=range.text;
+ }else{
+ text= this.textarea.value.substring(this.textarea.selectionStart, this.textarea.selectionEnd);
+ }
+ return text;
+ };
\ No newline at end of file |