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Viewing changes to www/media/common/edit_area/search_replace.js

  • Committer: William Grant
  • Date: 2008-07-07 01:45:11 UTC
  • mfrom: (unknown (missing))
  • Revision ID: wgrant@ugrad.unimelb.edu.au-20080707014511-xyy43p6y8jiqrsh9
Merge killall-editarea branch. We now use CodePress instead, which is
somewhat less slothful.

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www/media/common/edit_area/search_replace.js
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        EditArea.prototype.show_search = function(){
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                if(document.getElementById("area_search_replace").style.visibility=="visible"){
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                        this.hidden_search();
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                }else{
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                        this.open_inline_popup("area_search_replace");
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                        var text= this.area_get_selection();
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                        var search= text.split("\n")[0];
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                        document.getElementById("area_search").value= search;
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                        document.getElementById("area_search").focus();
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                }
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        };
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        EditArea.prototype.hidden_search= function(){
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                /*document.getElementById("area_search_replace").style.visibility="hidden";
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                this.textarea.focus();
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                var icon= document.getElementById("search");
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                setAttribute(icon, "class", getAttribute(icon, "class").replace(/ selected/g, "") );*/
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                this.close_inline_popup("area_search_replace");
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        };
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        EditArea.prototype.area_search= function(mode){
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                if(!mode)
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                        mode="search";
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                document.getElementById("area_search_msg").innerHTML="";                
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                var search=document.getElementById("area_search").value;                
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                this.textarea.focus();          
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                this.textarea.textareaFocused=true;
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                var infos= this.get_selection_infos();  
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                var start= infos["selectionStart"];
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                var pos=-1;
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                var pos_begin=-1;
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                var length=search.length;
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                if(document.getElementById("area_search_replace").style.visibility!="visible"){
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                        this.show_search();
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                        return;
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                }
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                if(search.length==0){
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                        document.getElementById("area_search_msg").innerHTML=this.get_translation("search_field_empty");
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                        return;
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                }
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                // advance to the next occurence if no text selected
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                if(mode!="replace" ){
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                        if(document.getElementById("area_search_reg_exp").checked)
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                                start++;
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                        else
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                                start+= search.length;
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                }
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                //search
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                if(document.getElementById("area_search_reg_exp").checked){
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                        // regexp search
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                        var opt="m";
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                        if(!document.getElementById("area_search_match_case").checked)
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                                opt+="i";
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                        var reg= new RegExp(search, opt);
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                        pos= infos["full_text"].substr(start).search(reg);
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                        pos_begin= infos["full_text"].search(reg);
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                        if(pos!=-1){
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                                pos+=start;
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                                length=infos["full_text"].substr(start).match(reg)[0].length;
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                        }else if(pos_begin!=-1){
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                                length=infos["full_text"].match(reg)[0].length;
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                        }
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                }else{
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                        if(document.getElementById("area_search_match_case").checked){
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                                pos= infos["full_text"].indexOf(search, start); 
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                                pos_begin= infos["full_text"].indexOf(search); 
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                        }else{
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                                pos= infos["full_text"].toLowerCase().indexOf(search.toLowerCase(), start); 
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                                pos_begin= infos["full_text"].toLowerCase().indexOf(search.toLowerCase()); 
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                        }               
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                }
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                // interpret result
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                if(pos==-1 && pos_begin==-1){
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                        document.getElementById("area_search_msg").innerHTML="<strong>"+search+"</strong> "+this.get_translation("not_found");
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                        return;
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                }else if(pos==-1 && pos_begin != -1){
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                        begin= pos_begin;
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                        document.getElementById("area_search_msg").innerHTML=this.get_translation("restart_search_at_begin");
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                }else
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                        begin= pos;
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                //document.getElementById("area_search_msg").innerHTML+="<strong>"+search+"</strong> found at "+begin+" strat at "+start+" pos "+pos+" curs"+ infos["indexOfCursor"]+".";
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                if(mode=="replace" && pos==infos["indexOfCursor"]){
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                        var replace= document.getElementById("area_replace").value;
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                        var new_text="";                        
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                        if(document.getElementById("area_search_reg_exp").checked){
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                                var opt="m";
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                                if(!document.getElementById("area_search_match_case").checked)
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                                        opt+="i";
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                                var reg= new RegExp(search, opt);
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                                new_text= infos["full_text"].substr(0, begin) + infos["full_text"].substr(start).replace(reg, replace);
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                        }else{
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                                new_text= infos["full_text"].substr(0, begin) + replace + infos["full_text"].substr(begin + length);
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                        }
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                        this.textarea.value=new_text;
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                        this.area_select(begin, length);
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                        this.area_search();
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                }else
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                        this.area_select(begin, length);
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        };
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        EditArea.prototype.area_replace= function(){            
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                this.area_search("replace");
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        };
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        EditArea.prototype.area_replace_all= function(){
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        /*      this.area_select(0, 0);
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                document.getElementById("area_search_msg").innerHTML="";
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                while(document.getElementById("area_search_msg").innerHTML==""){
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                        this.area_replace();
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                }*/
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                var base_text= this.textarea.value;
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                var search= document.getElementById("area_search").value;               
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                var replace= document.getElementById("area_replace").value;
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                if(search.length==0){
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                        document.getElementById("area_search_msg").innerHTML=this.get_translation("search_field_empty");
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                        return ;
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                }
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                var new_text="";
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                var nb_change=0;
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                if(document.getElementById("area_search_reg_exp").checked){
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                        // regExp
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                        var opt="mg";
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                        if(!document.getElementById("area_search_match_case").checked)
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                                opt+="i";
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                        var reg= new RegExp(search, opt);
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                        nb_change= infos["full_text"].match(reg).length;
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                        new_text= infos["full_text"].replace(reg, replace);
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                }else{
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                        if(document.getElementById("area_search_match_case").checked){
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                                var tmp_tab=base_text.split(search);
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                                nb_change= tmp_tab.length -1 ;
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                                new_text= tmp_tab.join(replace);
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                        }else{
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                                // case insensitive
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                                var lower_value=base_text.toLowerCase();
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                                var lower_search=search.toLowerCase();
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                                var start=0;
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                                var pos= lower_value.indexOf(lower_search);                             
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                                while(pos!=-1){
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                                        nb_change++;
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                                        new_text+= this.textarea.value.substring(start , pos)+replace;
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                                        start=pos+ search.length;
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                                        pos= lower_value.indexOf(lower_search, pos+1);
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                                }
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                                new_text+= this.textarea.value.substring(start);                                
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                        }
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                }                       
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                if(new_text==base_text){
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                        document.getElementById("area_search_msg").innerHTML="<strong>"+search+"</strong> "+this.get_translation("not_found");
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                }else{
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                        this.textarea.value= new_text;
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                        document.getElementById("area_search_msg").innerHTML="<strong>"+nb_change+"</strong> "+this.get_translation("occurrence_replaced");
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                        // firefox and opera doesn't manage with the focus if it's done directly
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                        //editArea.textarea.focus();editArea.textarea.textareaFocused=true;
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                        setTimeout("editArea.textarea.focus();editArea.textarea.textareaFocused=true;", 100);
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                }
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        };