Remove trunk directory
This commit is contained in:
Paulo Gustavo Veiga
362
web2d/src/main/javascript/Element.js
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362
web2d/src/main/javascript/Element.js
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Id: file 64488 2006-03-10 17:32:09Z paulo $
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*/
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web2d.Element = function(peer, attributes)
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{
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this._peer = peer;
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if (peer == null)
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{
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throw "Element peer can not be null";
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}
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this._dispatcherByEventType = new Hash({});
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if (core.Utils.isDefined(attributes))
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{
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this._initialize(attributes);
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}
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};
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web2d.Element.prototype._SIGNATURE_MULTIPLE_ARGUMENTS = -1;
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web2d.Element.prototype._initialize = function(attributes)
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{
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var batchExecute = {};
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// Collect arguments ...
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for (var key in attributes)
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{
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var funcName = this._attributeNameToFuncName(key, 'set');
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var funcArgs = batchExecute[funcName];
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if (!funcArgs)
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{
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funcArgs = [];
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}
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var signature = this._propertyNameToSignature[key];
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var argPositions = signature[1];
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if (argPositions != this._SIGNATURE_MULTIPLE_ARGUMENTS)
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{
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funcArgs[argPositions] = attributes[key];
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} else
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{
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funcArgs = attributes[key].split(' ');
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}
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batchExecute[funcName] = funcArgs;
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}
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// Call functions ...
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for (var key in batchExecute)
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{
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var func = this[key];
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if (!func)
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{
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throw "Could not find function: " + key;
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}
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func.apply(this, batchExecute[key]);
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}
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};
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web2d.Element.prototype.setSize = function(width, height)
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{
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this._peer.setSize(width, height);
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};
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web2d.Element.prototype.setPosition = function(cx, cy)
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{
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this._peer.setPosition(cx, cy);
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};
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web2d.Element.prototype._supportedEvents = ["click","dblclick","mousemove","mouseout","mouseover","mousedown","mouseup"];
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/**
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* Allows the registration of event listeners on the event target.
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* type
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* A string representing the event type to listen for.
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* listener
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* The object that receives a notification when an event of the specified type occurs. This must be an object implementing the EventListener interface, or simply a function in JavaScript.
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*
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* The following events types are supported:
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*
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*/
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web2d.Element.prototype.addEventListener = function(type, listener)
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{
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if (!this._supportedEvents.include(type))
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{
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throw "Unsupported event type: " + type;
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}
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// Concat previous event listeners for a given type.
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if (!this._dispatcherByEventType[type])
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{
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this._dispatcherByEventType[type] = new web2d.EventDispatcher(this);
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var eventListener = this._dispatcherByEventType[type].eventListener;
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this._peer.addEventListener(type, eventListener);
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}
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this._dispatcherByEventType[type].addListener(type, listener);
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};
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/**
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*
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* Allows the removal of event listeners from the event target.
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*
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* Parameters:
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* type
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* A string representing the event type being registered.
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* listener
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* The listener parameter takes an interface implemented by the user which contains the methods to be called when the event occurs.
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* This interace will be invoked passing an event as argument and the 'this' referece in the function will be the element.
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*/
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web2d.Element.prototype.removeEventListener = function(type, listener)
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{
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var dispatcher = this._dispatcherByEventType[type];
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if (dispatcher == null)
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{
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throw "There is no listener previously registered";
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}
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var result = dispatcher.removeListener(type, listener);
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// If there is not listeners, EventDispatcher must be removed.
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if (dispatcher.getListenersCount() <= 0)
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{
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this._peer.removeEventListener(type, dispatcher.eventListener);
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this._dispatcherByEventType[type] = null;
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}
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};
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/**
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* /*
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* Returns element type name.
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*/
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web2d.Element.prototype.getType = function()
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{
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throw "Not implemeneted yet. This method must be implemented by all the inherited objects.";
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};
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/**
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* Todo: Doc
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*/
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web2d.Element.prototype.getFill = function()
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{
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return this._peer.getFill();
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};
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/**
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* Used to define the fill element color and element opacity.
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* color: Fill color
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* opacity: Opacity of the fill. It must be less than 1.
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*/
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web2d.Element.prototype.setFill = function(color, opacity)
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{
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this._peer.setFill(color, opacity);
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};
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web2d.Element.prototype.getPosition = function()
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{
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return this._peer.getPosition();
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};
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/*
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* Defines the element stroke properties.
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* width: stroke width
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* style: "solid|dot|dash|dashdot|longdash".
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* color: stroke color
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* opacity: stroke visibility
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*/
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web2d.Element.prototype.setStroke = function(width, style, color, opacity)
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{
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if (style != null && style != undefined && style != 'dash' && style != 'dot' && style != 'solid' && style != 'longdash' && style != "dashdot")
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{
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throw "Unsupported stroke style: '" + style + "'";
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}
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this._peer.setStroke(width, style, color, opacity);
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};
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web2d.Element.prototype._propertyNameToSignature =
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{
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// Format: [attribute name, argument position on setter, attribute name on getter]
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size: ['size',-1],
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width: ['size',0,'width'],
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height: ['size',1,'height'],
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position: ['position',-1],
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x: ['position',0,'x'],
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y: ['position',1,'y'],
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stroke:['stroke',-1],
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strokeWidth:['stroke',0,'width'],
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strokeStyle:['stroke',1,'style'],
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strokeColor:['stroke',2,'color'],
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strokeOpacity:['stroke',3,'opacity'],
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fill:['fill',-1],
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fillColor:['fill',0,'color'],
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fillOpacity:['fill',1,'opacity'],
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coordSize:['coordSize',-1],
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coordSizeWidth:['coordSize',0,'width'],
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coordSizeHeight:['coordSize',1,'height'],
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coordOrigin:['coordOrigin',-1],
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coordOriginX:['coordOrigin',0,'x'],
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coordOriginY:['coordOrigin',1,'y'],
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visibility:['visibility',0],
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opacity:['opacity',0]
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};
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web2d.Element.prototype._attributeNameToFuncName = function(attributeKey, prefix)
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{
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var signature = this._propertyNameToSignature[attributeKey];
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if (!signature)
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{
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throw "Unsupported attribute: " + attributeKey;
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}
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var firstLetter = signature[0].charAt(0);
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return prefix + firstLetter.toUpperCase() + signature[0].substring(1);
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};
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/**
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* All element properties can be setted using either a method invocation or attribute invocation.
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* key: size, width, height, position, x, y, stroke, strokeWidth, strokeStyle, strokeColor, strokeOpacity,
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* fill, fillColor, fillOpacity, coordSize, coordSizeWidth, coordSizeHeight, coordOrigin, coordOriginX, coordOrigiY
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*/
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web2d.Element.prototype.setAttribute = function(key, value)
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{
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var funcName = this._attributeNameToFuncName(key, 'set');
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var signature = this._propertyNameToSignature[key];
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if (signature == null)
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{
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throw "Could not find the signature for:" + key;
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}
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// Parse arguments ..
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var argPositions = signature[1];
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var args = [];
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if (argPositions !== this._SIGNATURE_MULTIPLE_ARGUMENTS)
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{
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args[argPositions] = value;
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}
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else if (typeof value == "array")
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{
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args = value;
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} else
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{
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var strValue = String(value);
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args = strValue.split(' ');
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}
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// Look up method ...
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var setter = this[funcName];
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if (setter == null)
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{
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throw "Could not find the function name:" + funcName;
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}
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setter.apply(this, args);
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};
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web2d.Element.prototype.getAttribute = function(key)
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{
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var funcName = this._attributeNameToFuncName(key, 'get');
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var signature = this._propertyNameToSignature[key];
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if (signature == null)
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{
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throw "Could not find the signature for:" + key;
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}
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var getter = this[funcName];
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if (getter == null)
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{
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throw "Could not find the function name:" + funcName;
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}
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var getterResult = getter.apply(this, []);
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var attibuteName = signature[2];
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if (!attibuteName)
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{
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throw "Could not find attribute mapping for:" + key;
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}
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var result = getterResult[attibuteName];
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if (!result)
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{
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throw "Could not find attribute with name:" + attibuteName;
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}
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return result;
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};
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/**
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* Defines the element opacity.
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* Parameters:
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* opacity: A value between 0 and 1.
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*/
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web2d.Element.prototype.setOpacity = function(opacity)
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{
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this._peer.setStroke(null, null, null, opacity);
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this._peer.setFill(null, opacity);
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};
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web2d.Element.prototype.setVisibility = function(isVisible)
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{
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this._peer.setVisibility(isVisible);
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};
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web2d.Element.prototype.isVisible = function()
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{
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return this._peer.isVisible();
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};
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/**
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* Move the element to the front
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*/
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web2d.Element.prototype.moveToFront = function()
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{
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this._peer.moveToFront();
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};
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/**
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* Move the element to the back
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*/
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web2d.Element.prototype.moveToBack = function()
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{
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this._peer.moveToBack();
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};
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web2d.Element.prototype.getStroke = function()
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{
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return this._peer.getStroke();
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};
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web2d.Element.prototype.setCursor = function(type)
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{
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this._peer.setCursor(type);
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};
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web2d.Element.prototype.getParent = function(){
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return this._peer.getParent();
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}
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