WiseMapping

trunk/web2d/src/main/javascript/Group.js

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+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (the "License"); you may not use this file except in compliance with
+* the License.  You may obtain a copy of the License at
+*
+*       http://www.apache.org/licenses/LICENSE-2.0
+*
+* 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.
+*
+* $Id: file 64488 2006-03-10 17:32:09Z paulo $
+*/
+
+/**
+ * A group object can be used to collect shapes.
+ */
+web2d.Group = function(attributes)
+{
+    var peer = web2d.peer.Toolkit.createGroup();
+    var defaultAttributes = {width:50, height:50, x:50, y:50,coordOrigin:'0 0',coordSize:'50 50'};
+    for (var key in attributes)
+    {
+        defaultAttributes[key] = attributes[key];
+    }
+    web2d.Element.call(this, peer, defaultAttributes);
+};
+
+objects.extend(web2d.Group, web2d.Element);
+
+/**
+ * Remove an element as a child to the object.
+ */
+web2d.Group.prototype.removeChild = function(element)
+{
+    if (!element)
+    {
+        throw "Child element can not be null";
+    }
+
+    if (element == this)
+    {
+        throw "It's not posible to add the group as a child of itself";
+    }
+
+    var elementType = element.getType();
+    if (elementType == null)
+    {
+        throw "It seems not to be an element ->" + element;
+    }
+
+    this._peer.removeChild(element._peer);
+};
+
+/**
+ * Appends an element as a child to the object.
+ */
+web2d.Group.prototype.appendChild = function(element)
+{
+    if (!element)
+    {
+        throw "Child element can not be null";
+    }
+
+    if (element == this)
+    {
+        throw "It's not posible to add the group as a child of itself";
+    }
+
+    var elementType = element.getType();
+    if (elementType == null)
+    {
+        throw "It seems not to be an element ->" + element;
+    }
+
+    if (elementType == "Workspace")
+    {
+        throw "A group can not have a workspace as a child";
+    }
+
+    this._peer.appendChild(element._peer);
+};
+
+
+web2d.Group.prototype.getType = function()
+{
+    return "Group";
+};
+
+/**
+ * The group element is a containing blocks for this content - they define a CSS2 "block level box".
+ * Inside the containing block a local coordinate system is defined for any sub-elements using the coordsize and coordorigin attributes.
+ * All CSS2 positioning information is expressed in terms of this local coordinate space.
+ * Consequently CSS2 position attributes (left, top, width, height and so on) have no unit specifier -
+ * they are simple numbers, not CSS length quantities.
+ */
+web2d.Group.prototype.setCoordSize = function(width, height)
+{
+    this._peer.setCoordSize(width, height);
+};
+
+web2d.Group.prototype.getCoordSize = function(){
+    return this.peer.getCoordSize();
+};
+
+/**
+ * @Todo: Complete Doc
+ */
+web2d.Group.prototype.setCoordOrigin = function(x, y)
+{
+    this._peer.setCoordOrigin(x, y);
+};
+
+web2d.Group.prototype.getCoordOrigin = function(){
+    return this._peer.getCoordOrigin();
+};
+
+/**
+ * @Todo: Complete Doc
+ */
+web2d.Group.prototype.getSize = function()
+{
+    return this._peer.getSize();
+};
+
+web2d.Group.prototype.setFill = function(color, opacity)
+{
+    throw "Unsupported operation. Fill can not be set to a group";
+};
+
+web2d.Group.prototype.setStroke = function(width, style, color, opacity)
+{
+    throw "Unsupported operation. Stroke can not be set to a group";
+};
+
+web2d.Group.prototype.getCoordSize = function()
+{
+  return this._peer.getCoordSize();
+};
+
+web2d.Group.prototype.appendDomChild = function(DomElement)
+{
+        if (!DomElement)
+    {
+        throw "Child element can not be null";
+    }
+
+    if (DomElement == this)
+    {
+        throw "It's not posible to add the group as a child of itself";
+    }
+
+    this._peer._native.appendChild(DomElement);
+};