-/**\r
- * Autocompletion class\r
- * \r
- * An auto completion box appear while you're writing. It's possible to force it to appear with Ctrl+Space short cut\r
- * \r
- * Loaded as a plugin inside editArea (everything made here could have been made in the plugin directory)\r
- * But is definitly linked to syntax selection (no need to do 2 different files for color and auto complete for each syntax language)\r
- * and add a too important feature that many people would miss if included as a plugin\r
- * \r
- * - init param: autocompletion_start\r
- * - Button name: "autocompletion"\r
- */ \r
-\r
-var EditArea_autocompletion= {\r
- \r
- /**\r
- * Get called once this file is loaded (editArea still not initialized)\r
- *\r
- * @return nothing \r
- */ \r
- init: function(){ \r
- // alert("test init: "+ this._someInternalFunction(2, 3));\r
- \r
- if(editArea.settings["autocompletion"])\r
- this.enabled= true;\r
- else\r
- this.enabled= false;\r
- this.current_word = false;\r
- this.shown = false;\r
- this.selectIndex = -1;\r
- this.forceDisplay = false;\r
- this.isInMiddleWord = false;\r
- this.autoSelectIfOneResult = false;\r
- this.delayBeforeDisplay = 100;\r
- this.checkDelayTimer = false;\r
- this.curr_syntax_str = '';\r
- \r
- this.file_syntax_datas = {};\r
- }\r
- /**\r
- * Returns the HTML code for a specific control string or false if this plugin doesn't have that control.\r
- * A control can be a button, select list or any other HTML item to present in the EditArea user interface.\r
- * Language variables such as {$lang_somekey} will also be replaced with contents from\r
- * the language packs.\r
- * \r
- * @param {string} ctrl_name: the name of the control to add \r
- * @return HTML code for a specific control or false.\r
- * @type string or boolean\r
- */ \r
- /*,get_control_html: function(ctrl_name){\r
- switch( ctrl_name ){\r
- case 'autocompletion':\r
- // Control id, button img, command\r
- return parent.editAreaLoader.get_button_html('autocompletion_but', 'autocompletion.gif', 'toggle_autocompletion', false, this.baseURL);\r
- break;\r
- }\r
- return false;\r
- }*/\r
- /**\r
- * Get called once EditArea is fully loaded and initialised\r
- * \r
- * @return nothing\r
- */ \r
- ,onload: function(){ \r
- if(this.enabled)\r
- {\r
- var icon= document.getElementById("autocompletion");\r
- if(icon)\r
- editArea.switchClassSticky(icon, 'editAreaButtonSelected', true);\r
- }\r
- \r
- this.container = document.createElement('div');\r
- this.container.id = "auto_completion_area";\r
- editArea.container.insertBefore( this.container, editArea.container.firstChild );\r
- \r
- // add event detection for hiding suggestion box\r
- parent.editAreaLoader.add_event( document, "click", function(){ editArea.plugins['autocompletion']._hide();} );\r
- parent.editAreaLoader.add_event( editArea.textarea, "blur", function(){ editArea.plugins['autocompletion']._hide();} );\r
- \r
- }\r
- \r
- /**\r
- * Is called each time the user touch a keyboard key.\r
- * \r
- * @param (event) e: the keydown event\r
- * @return true - pass to next handler in chain, false - stop chain execution\r
- * @type boolean \r
- */\r
- ,onkeydown: function(e){\r
- if(!this.enabled)\r
- return true;\r
- \r
- if (EA_keys[e.keyCode])\r
- letter=EA_keys[e.keyCode];\r
- else\r
- letter=String.fromCharCode(e.keyCode); \r
- // shown\r
- if( this._isShown() )\r
- { \r
- // if escape, hide the box\r
- if(letter=="Esc")\r
- {\r
- this._hide();\r
- return false;\r
- }\r
- // Enter\r
- else if( letter=="Entrer")\r
- {\r
- var as = this.container.getElementsByTagName('A');\r
- // select a suggested entry\r
- if( this.selectIndex >= 0 && this.selectIndex < as.length )\r
- {\r
- as[ this.selectIndex ].onmousedown();\r
- return false\r
- }\r
- // simply add an enter in the code\r
- else\r
- {\r
- this._hide();\r
- return true;\r
- }\r
- }\r
- else if( letter=="Tab" || letter=="Down")\r
- {\r
- this._selectNext();\r
- return false;\r
- }\r
- else if( letter=="Up")\r
- {\r
- this._selectBefore();\r
- return false;\r
- }\r
- }\r
- // hidden\r
- else\r
- {\r
- \r
- }\r
- \r
- // show current suggestion list and do autoSelect if possible (no matter it's shown or hidden)\r
- if( letter=="Space" && CtrlPressed(e) )\r
- {\r
- //parent.console.log('SHOW SUGGEST');\r
- this.forceDisplay = true;\r
- this.autoSelectIfOneResult = true;\r
- this._checkLetter();\r
- return false;\r
- }\r
- \r
- // wait a short period for check that the cursor isn't moving\r
- setTimeout("editArea.plugins['autocompletion']._checkDelayAndCursorBeforeDisplay();", editArea.check_line_selection_timer +5 );\r
- this.checkDelayTimer = false;\r
- return true;\r
- } \r
- /**\r
- * Executes a specific command, this function handles plugin commands.\r
- *\r
- * @param {string} cmd: the name of the command being executed\r
- * @param {unknown} param: the parameter of the command \r
- * @return true - pass to next handler in chain, false - stop chain execution\r
- * @type boolean \r
- */\r
- ,execCommand: function(cmd, param){\r
- switch( cmd ){\r
- case 'toggle_autocompletion':\r
- var icon= document.getElementById("autocompletion");\r
- if(!this.enabled)\r
- {\r
- if(icon != null){\r
- editArea.restoreClass(icon);\r
- editArea.switchClassSticky(icon, 'editAreaButtonSelected', true);\r
- }\r
- this.enabled= true;\r
- }\r
- else\r
- {\r
- this.enabled= false;\r
- if(icon != null)\r
- editArea.switchClassSticky(icon, 'editAreaButtonNormal', false);\r
- }\r
- return true;\r
- }\r
- return true;\r
- }\r
- ,_checkDelayAndCursorBeforeDisplay: function()\r
- {\r
- this.checkDelayTimer = setTimeout("if(editArea.textarea.selectionStart == "+ editArea.textarea.selectionStart +") EditArea_autocompletion._checkLetter();", this.delayBeforeDisplay - editArea.check_line_selection_timer - 5 );\r
- }\r
- // hide the suggested box\r
- ,_hide: function(){\r
- this.container.style.display="none";\r
- this.selectIndex = -1;\r
- this.shown = false;\r
- this.forceDisplay = false;\r
- this.autoSelectIfOneResult = false;\r
- }\r
- // display the suggested box\r
- ,_show: function(){\r
- if( !this._isShown() )\r
- {\r
- this.container.style.display="block";\r
- this.selectIndex = -1;\r
- this.shown = true;\r
- }\r
- }\r
- // is the suggested box displayed?\r
- ,_isShown: function(){\r
- return this.shown;\r
- }\r
- // setter and getter\r
- ,_isInMiddleWord: function( new_value ){\r
- if( typeof( new_value ) == "undefined" )\r
- return this.isInMiddleWord;\r
- else\r
- this.isInMiddleWord = new_value;\r
- }\r
- // select the next element in the suggested box\r
- ,_selectNext: function()\r
- {\r
- var as = this.container.getElementsByTagName('A');\r
- \r
- // clean existing elements\r
- for( var i=0; i<as.length; i++ )\r
- {\r
- if( as[i].className )\r
- as[i].className = as[i].className.replace(/ focus/g, '');\r
- }\r
- \r
- this.selectIndex++; \r
- this.selectIndex = ( this.selectIndex >= as.length || this.selectIndex < 0 ) ? 0 : this.selectIndex;\r
- as[ this.selectIndex ].className += " focus";\r
- }\r
- // select the previous element in the suggested box\r
- ,_selectBefore: function()\r
- {\r
- var as = this.container.getElementsByTagName('A');\r
- \r
- // clean existing elements\r
- for( var i=0; i<as.length; i++ )\r
- {\r
- if( as[i].className )\r
- as[i].className = as[ i ].className.replace(/ focus/g, '');\r
- }\r
- \r
- this.selectIndex--;\r
- \r
- this.selectIndex = ( this.selectIndex >= as.length || this.selectIndex < 0 ) ? as.length-1 : this.selectIndex;\r
- as[ this.selectIndex ].className += " focus";\r
- }\r
- ,_select: function( content )\r
- {\r
- cursor_forced_position = content.indexOf( '{@}' );\r
- content = content.replace(/{@}/g, '' );\r
- editArea.getIESelection();\r
- \r
- // retrive the number of matching characters\r
- var start_index = Math.max( 0, editArea.textarea.selectionEnd - content.length );\r
- \r
- line_string = editArea.textarea.value.substring( start_index, editArea.textarea.selectionEnd + 1);\r
- limit = line_string.length -1;\r
- nbMatch = 0;\r
- for( i =0; i<limit ; i++ )\r
- {\r
- if( line_string.substring( limit - i - 1, limit ) == content.substring( 0, i + 1 ) )\r
- nbMatch = i + 1;\r
- }\r
- // if characters match, we should include them in the selection that will be replaced\r
- if( nbMatch > 0 )\r
- parent.editAreaLoader.setSelectionRange(editArea.id, editArea.textarea.selectionStart - nbMatch , editArea.textarea.selectionEnd);\r
- \r
- parent.editAreaLoader.setSelectedText(editArea.id, content );\r
- range= parent.editAreaLoader.getSelectionRange(editArea.id);\r
- \r
- if( cursor_forced_position != -1 )\r
- new_pos = range["end"] - ( content.length-cursor_forced_position );\r
- else\r
- new_pos = range["end"]; \r
- parent.editAreaLoader.setSelectionRange(editArea.id, new_pos, new_pos);\r
- this._hide();\r
- }\r
- \r
- \r
- /**\r
- * Parse the AUTO_COMPLETION part of syntax definition files\r
- */\r
- ,_parseSyntaxAutoCompletionDatas: function(){\r
- //foreach syntax loaded\r
- for(var lang in parent.editAreaLoader.load_syntax)\r
- {\r
- if(!parent.editAreaLoader.syntax[lang]['autocompletion']) // init the regexp if not already initialized\r
- {\r
- parent.editAreaLoader.syntax[lang]['autocompletion']= {};\r
- // the file has auto completion datas\r
- if(parent.editAreaLoader.load_syntax[lang]['AUTO_COMPLETION'])\r
- {\r
- // parse them\r
- for(var i in parent.editAreaLoader.load_syntax[lang]['AUTO_COMPLETION'])\r
- {\r
- datas = parent.editAreaLoader.load_syntax[lang]['AUTO_COMPLETION'][i];\r
- tmp = {};\r
- if(datas["CASE_SENSITIVE"]!="undefined" && datas["CASE_SENSITIVE"]==false)\r
- tmp["modifiers"]="i";\r
- else\r
- tmp["modifiers"]="";\r
- tmp["prefix_separator"]= datas["REGEXP"]["prefix_separator"];\r
- tmp["match_prefix_separator"]= new RegExp( datas["REGEXP"]["prefix_separator"] +"$", tmp["modifiers"]);\r
- tmp["match_word"]= new RegExp("(?:"+ datas["REGEXP"]["before_word"] +")("+ datas["REGEXP"]["possible_words_letters"] +")$", tmp["modifiers"]);\r
- tmp["match_next_letter"]= new RegExp("^("+ datas["REGEXP"]["letter_after_word_must_match"] +")$", tmp["modifiers"]);\r
- tmp["keywords"]= {};\r
- //console.log( datas["KEYWORDS"] );\r
- for( var prefix in datas["KEYWORDS"] )\r
- {\r
- tmp["keywords"][prefix]= {\r
- prefix: prefix,\r
- prefix_name: prefix,\r
- prefix_reg: new RegExp("(?:"+ parent.editAreaLoader.get_escaped_regexp( prefix ) +")(?:"+ tmp["prefix_separator"] +")$", tmp["modifiers"] ),\r
- datas: []\r
- };\r
- for( var j=0; j<datas["KEYWORDS"][prefix].length; j++ )\r
- {\r
- tmp["keywords"][prefix]['datas'][j]= {\r
- is_typing: datas["KEYWORDS"][prefix][j][0],\r
- // if replace with is empty, replace with the is_typing value\r
- replace_with: datas["KEYWORDS"][prefix][j][1] ? datas["KEYWORDS"][prefix][j][1].replace('§', datas["KEYWORDS"][prefix][j][0] ) : '',\r
- comment: datas["KEYWORDS"][prefix][j][2] ? datas["KEYWORDS"][prefix][j][2] : '' \r
- };\r
- \r
- // the replace with shouldn't be empty\r
- if( tmp["keywords"][prefix]['datas'][j]['replace_with'].length == 0 )\r
- tmp["keywords"][prefix]['datas'][j]['replace_with'] = tmp["keywords"][prefix]['datas'][j]['is_typing'];\r
- \r
- // if the comment is empty, display the replace_with value\r
- if( tmp["keywords"][prefix]['datas'][j]['comment'].length == 0 )\r
- tmp["keywords"][prefix]['datas'][j]['comment'] = tmp["keywords"][prefix]['datas'][j]['replace_with'].replace(/{@}/g, '' );\r
- }\r
- \r
- }\r
- tmp["max_text_length"]= datas["MAX_TEXT_LENGTH"];\r
- parent.editAreaLoader.syntax[lang]['autocompletion'][i] = tmp;\r
- }\r
- }\r
- }\r
- }\r
- }\r
- \r
- ,_checkLetter: function(){\r
- // check that syntax hasn't changed\r
- if( this.curr_syntax_str != editArea.settings['syntax'] )\r
- {\r
- if( !parent.editAreaLoader.syntax[editArea.settings['syntax']]['autocompletion'] )\r
- this._parseSyntaxAutoCompletionDatas();\r
- this.curr_syntax= parent.editAreaLoader.syntax[editArea.settings['syntax']]['autocompletion'];\r
- this.curr_syntax_str = editArea.settings['syntax'];\r
- //console.log( this.curr_syntax );\r
- }\r
- \r
- if( editArea.is_editable )\r
- {\r
- time=new Date;\r
- t1= time.getTime();\r
- editArea.getIESelection();\r
- this.selectIndex = -1;\r
- start=editArea.textarea.selectionStart;\r
- var str = editArea.textarea.value;\r
- var results= [];\r
- \r
- \r
- for(var i in this.curr_syntax)\r
- {\r
- var last_chars = str.substring(Math.max(0, start-this.curr_syntax[i]["max_text_length"]), start);\r
- var matchNextletter = str.substring(start, start+1).match( this.curr_syntax[i]["match_next_letter"]);\r
- // if not writting in the middle of a word or if forcing display\r
- if( matchNextletter || this.forceDisplay )\r
- {\r
- // check if the last chars match a separator\r
- var match_prefix_separator = last_chars.match(this.curr_syntax[i]["match_prefix_separator"]);\r
- \r
- // check if it match a possible word\r
- var match_word= last_chars.match(this.curr_syntax[i]["match_word"]);\r
- \r
- //console.log( match_word );\r
- if( match_word )\r
- {\r
- var begin_word= match_word[1];\r
- var match_curr_word= new RegExp("^"+ parent.editAreaLoader.get_escaped_regexp( begin_word ), this.curr_syntax[i]["modifiers"]);\r
- //console.log( match_curr_word );\r
- for(var prefix in this.curr_syntax[i]["keywords"])\r
- {\r
- // parent.console.log( this.curr_syntax[i]["keywords"][prefix] );\r
- for(var j=0; j<this.curr_syntax[i]["keywords"][prefix]['datas'].length; j++)\r
- {\r
- // parent.console.log( this.curr_syntax[i]["keywords"][prefix]['datas'][j]['is_typing'] );\r
- // the key word match or force display \r
- if( this.curr_syntax[i]["keywords"][prefix]['datas'][j]['is_typing'].match(match_curr_word) )\r
- {\r
- // parent.console.log('match');\r
- hasMatch = false;\r
- var before = last_chars.substr( 0, last_chars.length - begin_word.length );\r
- \r
- // no prefix to match => it's valid\r
- if( !match_prefix_separator && this.curr_syntax[i]["keywords"][prefix]['prefix'].length == 0 )\r
- {\r
- if( ! before.match( this.curr_syntax[i]["keywords"][prefix]['prefix_reg'] ) )\r
- hasMatch = true;\r
- }\r
- // we still need to check the prefix if there is one\r
- else if( this.curr_syntax[i]["keywords"][prefix]['prefix'].length > 0 )\r
- {\r
- if( before.match( this.curr_syntax[i]["keywords"][prefix]['prefix_reg'] ) )\r
- hasMatch = true;\r
- }\r
- \r
- if( hasMatch )\r
- results[results.length]= [ this.curr_syntax[i]["keywords"][prefix], this.curr_syntax[i]["keywords"][prefix]['datas'][j] ];\r
- } \r
- }\r
- }\r
- }\r
- // it doesn't match any possible word but we want to display something\r
- // we'll display to list of all available words\r
- else if( this.forceDisplay || match_prefix_separator )\r
- {\r
- for(var prefix in this.curr_syntax[i]["keywords"])\r
- {\r
- for(var j=0; j<this.curr_syntax[i]["keywords"][prefix]['datas'].length; j++)\r
- {\r
- hasMatch = false;\r
- // no prefix to match => it's valid\r
- if( !match_prefix_separator && this.curr_syntax[i]["keywords"][prefix]['prefix'].length == 0 )\r
- {\r
- hasMatch = true;\r
- }\r
- // we still need to check the prefix if there is one\r
- else if( match_prefix_separator && this.curr_syntax[i]["keywords"][prefix]['prefix'].length > 0 )\r
- {\r
- var before = last_chars; //.substr( 0, last_chars.length );\r
- if( before.match( this.curr_syntax[i]["keywords"][prefix]['prefix_reg'] ) )\r
- hasMatch = true;\r
- } \r
- \r
- if( hasMatch )\r
- results[results.length]= [ this.curr_syntax[i]["keywords"][prefix], this.curr_syntax[i]["keywords"][prefix]['datas'][j] ]; \r
- }\r
- }\r
- }\r
- }\r
- }\r
- \r
- // there is only one result, and we can select it automatically\r
- if( results.length == 1 && this.autoSelectIfOneResult )\r
- {\r
- // console.log( results );\r
- this._select( results[0][1]['replace_with'] );\r
- }\r
- else if( results.length == 0 )\r
- {\r
- this._hide();\r
- }\r
- else\r
- {\r
- // build the suggestion box content\r
- var lines=[];\r
- for(var i=0; i<results.length; i++)\r
- {\r
- var line= "<li><a href=\"#\" class=\"entry\" onmousedown=\"EditArea_autocompletion._select('"+ results[i][1]['replace_with'].replace(new RegExp('"', "g"), """) +"');return false;\">"+ results[i][1]['comment'];\r
- if(results[i][0]['prefix_name'].length>0)\r
- line+='<span class="prefix">'+ results[i][0]['prefix_name'] +'</span>';\r
- line+='</a></li>';\r
- lines[lines.length]=line;\r
- }\r
- // sort results\r
- this.container.innerHTML = '<ul>'+ lines.sort().join('') +'</ul>';\r
- \r
- var cursor = _$("cursor_pos");\r
- this.container.style.top = ( cursor.cursor_top + editArea.lineHeight ) +"px";\r
- this.container.style.left = ( cursor.cursor_left + 8 ) +"px";\r
- this._show();\r
- }\r
- \r
- this.autoSelectIfOneResult = false;\r
- time=new Date;\r
- t2= time.getTime();\r
- \r
- //parent.console.log( begin_word +"\n"+ (t2-t1) +"\n"+ html );\r
- }\r
- }\r
-};\r
-\r
-// Load as a plugin\r
-editArea.settings['plugins'][ editArea.settings['plugins'].length ] = 'autocompletion';\r
-editArea.add_plugin('autocompletion', EditArea_autocompletion);
\ No newline at end of file