wisemapping-open-source/mindplot/src/main/javascript/TextEditor.js

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/*
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* Copyright [2011] [wisemapping]
*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
mindplot.TextEditor = new Class({
initialize:function(designer,actionRunner)
{
this._designer = designer;
this._screenManager = designer.getWorkSpace().getScreenManager();
this._container = this._screenManager.getContainer();
this._actionRunner = actionRunner;
this._isVisible=false;
//Create editor ui
this._createUI();
this._addListeners();
},
_createUI:function(){
this._size = {width:500, height:100};
this._myOverlay = new Element('div').setStyles({position:"absolute", display: "none", zIndex: "8", top: 0, left:0, width:"500px", height:"100px"});
var inputContainer = new Element('div').setStyles({border:"none", overflow:"auto"}).injectInside(this._myOverlay);
this.inputText = new Element('input').setProperties({type:"text", tabindex:'-1', id:"inputText", value:""}).setStyles({border:"none", background:"transparent"}).injectInside(inputContainer);
var spanContainer = new Element('div').setStyle('visibility', "hidden").injectInside(this._myOverlay);
this._spanText = new Element('span').setProperties({id: "spanText", tabindex:"-1"}).setStyle('white-space', "nowrap").setStyle('nowrap', 'nowrap').injectInside(spanContainer);
this._myOverlay.injectInside(this._container);
},
_addListeners:function(){
var elem = this;
this.applyChanges=true;
this.inputText.onkeyup = function (evt) {
var event = new Event(evt);
var key = event.key;
switch(key)
{
case 'esc':
elem.applyChanges=false;
case 'enter':
var executor = function(editor)
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{
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return function()
{
elem.lostFocus(true);
$(document.documentElement).fireEvent('focus');
};
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};
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setTimeout(executor(this), 3);
break;
default:
var span =$('spanText');
var input = $('inputText');
span.innerHTML = input.value;
var size = input.value.length + 1;
input.size= size;
if (span.offsetWidth > (parseInt(elem._myOverlay.style.width) - 100))
{
elem._myOverlay.style.width = (span.offsetWidth + 100) + "px";
}
break;
}
};
//Register onLostFocus/onBlur event
$(this.inputText).addEvent('blur', this.lostFocusEvent.bind(this));
$(this._myOverlay).addEvent('click', this.clickEvent.bindWithEvent(this));
$(this._myOverlay).addEvent('dblclick', this.clickEvent.bindWithEvent(this));
$(this._myOverlay).addEvent('mousedown', this.mouseDownEvent.bindWithEvent(this));
var elem = this;
var onComplete = function() {
this._myOverlay.setStyle('display', "none");
this._isVisible=false;
this.inputText.setStyle('opacity', 1);
this.setPosition(0, 0);
if (elem._currentNode != null)
{
this._currentNode.getTextShape().setVisibility(true);
if(this.applyChanges)
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{
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this._updateNode();
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}
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this.applyChanges=true;
this._currentNode = null;
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}
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setTimeout("$('ffoxWorkarroundInput').focus();", 0);
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};
this.fx = new Fx.Style(this.inputText, 'opacity', { duration: 10});
this.fx.addEvent('onComplete', onComplete.bind(this));
},
lostFocusEvent : function ()
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{
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this.fx.options.duration = 10;
this.fx.start(1, 0);
//myAnim.animate();
},
isVisible : function ()
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{
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return this._isVisible;
},
getFocusEvent: function (node)
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{
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//console.log('focus event');
if (this.isVisible())
{
this.getFocusEvent.delay(10, this);
}
else
{
//console.log('calling init');
this.init(node);
}
//console.log('focus event done');
},
setInitialText : function (text)
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{
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this.initialText=text;
},
_updateNode : function ()
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{
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if (core.Utils.isDefined(this._currentNode) && this._currentNode.getText() != this.getText())
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{
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var text = this.getText();
var topicId = this._currentNode.getId();
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var commandFunc = function(topic,value)
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{
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var result = topic.getText();
topic.setText(value);
return result;
};
var command = new mindplot.commands.GenericFunctionCommand(commandFunc,text,[topicId]);
this._actionRunner.execute(command);
}
},
listenEventOnNode : function(topic, eventName, stopPropagation)
{
var elem = this;
topic.addEventListener(eventName, function (event) {
if(elem._designer.getWorkSpace().isWorkspaceEventsEnabled()){
mindplot.EventBus.instance.fireEvent(mindplot.EventBus.events.NodeMouseOutEvent,[topic ]);
elem.lostFocus();
elem.getFocusEvent.attempt(topic, elem);
if (stopPropagation)
{
if (core.Utils.isDefined(event.stopPropagation))
{
event.stopPropagation(true);
} else
{
event.cancelBubble = true;
}
}
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}
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});
},
init : function (nodeGraph)
{
//console.log('init method');
nodeGraph.getTextShape().setVisibility(false);
this._currentNode = nodeGraph;
//set Editor Style
var nodeText = nodeGraph.getTextShape();
var text;
var selectText=true;
if(this.initialText && this.initialText!="")
{
text = this.initialText;
this.initialText=null;
selectText=false;
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}
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else
text = nodeText.getText();
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var font = nodeText.getFont();
font.size = nodeText.getHtmlFontSize();
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font.color = nodeText.getColor();
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this.setStyle(font);
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//set editor's initial text
this.setText(text);
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//set editor's initial size
var editor = this;
var executor = function(editor)
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{
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return function()
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{
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//console.log('setting editor in init thread');
var scale = web2d.peer.utils.TransformUtil.workoutScale(editor._currentNode.getTextShape()._peer);
var elemSize = editor._currentNode.getSize();
//var textSize = editor.getSize();
var pos = editor._screenManager.getWorkspaceElementPosition(editor._currentNode);
var textWidth = editor._currentNode.getTextShape().getWidth();
var textHeight = editor._currentNode.getTextShape().getHeight();
var iconGroup = editor._currentNode.getIconGroup();
var iconGroupSize;
if($chk(iconGroup))
{
iconGroupSize = editor._currentNode.getIconGroup().getSize();
}
else
{
iconGroupSize = {width:0, height:0};
}
var position = {x:0,y:0};
position.x = pos.x - ((textWidth * scale.width) / 2) + (((iconGroupSize.width) * scale.width)/2);
var fixError =1;
position.y = pos.y - ((textHeight * scale.height) / 2) - fixError;
editor.setEditorSize(elemSize.width, elemSize.height, scale);
//console.log('setting position:'+pos.x+';'+pos.y);
editor.setPosition(position.x, position.y, scale);
editor.showTextEditor(selectText);
//console.log('setting editor done');
};
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};
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setTimeout(executor(this), 10);
//console.log('init done');
},
setStyle : function (fontStyle)
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{
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var inputField = $("inputText");
var spanField = $("spanText");
if (!core.Utils.isDefined(fontStyle.font))
{
fontStyle.font = "Arial";
}
if (!core.Utils.isDefined(fontStyle.style))
{
fontStyle.style = "normal";
}
if (!core.Utils.isDefined(fontStyle.weight))
{
fontStyle.weight = "normal";
}
if (!core.Utils.isDefined(fontStyle.size))
{
fontStyle.size = 12;
}
inputField.style.fontSize = fontStyle.size + "px";
inputField.style.fontFamily = fontStyle.font;
inputField.style.fontStyle = fontStyle.style;
inputField.style.fontWeight = fontStyle.weight;
inputField.style.color = fontStyle.color;
spanField.style.fontFamily = fontStyle.font;
spanField.style.fontStyle = fontStyle.style;
spanField.style.fontWeight = fontStyle.weight;
spanField.style.fontSize = fontStyle.size + "px";
},
setText : function(text)
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{
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var inputField = $("inputText");
inputField.size = text.length + 1;
//this._myOverlay.cfg.setProperty("width", (inputField.size * parseInt(inputField.style.fontSize) + 100) + "px");
this._myOverlay.style.width = (inputField.size * parseInt(inputField.style.fontSize) + 100) + "px";
var spanField = $("spanText");
spanField.innerHTML = text;
inputField.value = text;
},
getText : function()
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{
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return $('inputText').value;
},
setEditorSize : function (width, height, scale)
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{
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//var scale = web2d.peer.utils.TransformUtil.workoutScale(this._currentNode.getTextShape()._peer);
this._size = {width:width * scale.width, height:height * scale.height};
//this._myOverlay.cfg.setProperty("width",this._size.width*2+"px");
this._myOverlay.style.width = this._size.width * 2 + "px";
//this._myOverlay.cfg.setProperty("height",this._size.height+"px");
this._myOverlay.style.height = this._size.height + "px";
},
getSize : function ()
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{
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return {width:$("spanText").offsetWidth,height:$("spanText").offsetHeight};
},
setPosition : function (x, y, scale)
{
$(this._myOverlay).setStyles({top : y + "px", left: x + "px"});
//this._myOverlay.style.left = x + "px";
},
showTextEditor : function(selectText)
{
//this._myOverlay.show();
//var myAnim = new YAHOO.util.Anim('inputText',{opacity: {to:1}}, 0.10, YAHOO.util.Easing.easeOut);
//$('inputText').style.opacity='1';
var elem = this;
//myAnim.onComplete.subscribe(function(){
//elem._myOverlay.show();
elem._myOverlay.setStyle('display', "block");
this._isVisible=true;
//elem.cfg.setProperty("visible", false);
//elem._myOverlay.cfg.setProperty("xy", [0, 0]);
//elem._myOverlay.cfg.setProperty("visible", true);
//select the text in the input
$('inputText').disabled = false;
if ($('inputText').createTextRange) //ie
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{
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var range = $('inputText').createTextRange();
var pos = $('inputText').value.length;
if(selectText)
{
range.select();
range.move("character", pos);
}
else
{
range.move("character", pos);
range.select();
}
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}
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else if(selectText)
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{
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$('inputText').setSelectionRange(0, $('inputText').value.length);
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}
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var executor = function(editor)
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{
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return function()
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{
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try {
$('inputText').focus();
}
catch (e)
{
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}
};
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};
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setTimeout(executor(this), 0);
//});
//myAnim.animate();
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},
lostFocus : function(bothBrowsers)
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{
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if (this.isVisible())
{
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//the editor is opened in another node. lets Finish it.
var fireOnThis = $('inputText');
fireOnThis.fireEvent('blur');
}
},
clickEvent : function(event){
if(this.isVisible()){
if (core.Utils.isDefined(event.stopPropagation))
{
event.stopPropagation(true);
} else
{
event.cancelBubble = true;
}
event.preventDefault();
}
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},
mouseDownEvent : function(event){
if(this.isVisible()){
if (core.Utils.isDefined(event.stopPropagation))
{
event.stopPropagation(true);
} else
{
event.cancelBubble = true;
}
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}
}
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});
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