[royale-asjs] 02/06: Jewel-LayoutChildren: implementation of ILayoutChildren to use in StyledLayoutBase

[ca...@apache.org]

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carlosrovira pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/royale-asjs.git

commit a53e945e1ff5d02d01059157e35bcf5b050b2502
Author: Carlos Rovira <ca...@apache.org>
AuthorDate: Sun Jun 7 20:20:20 2020 +0200

    Jewel-LayoutChildren: implementation of ILayoutChildren to use in StyledLayoutBase
---
 .../Jewel/src/main/resources/jewel-manifest.xml    |  1 +
 .../royale/jewel/beads/layouts/LayoutChildren.as   | 94 ++++++++++++++++++++++
 2 files changed, 95 insertions(+)

diff --git a/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml b/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
index 6ad95cb..3ca9b30 100644
--- a/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
+++ b/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
@@ -194,6 +194,7 @@
     <component id="ComboBoxDisabled" class="org.apache.royale.jewel.beads.controls.combobox.ComboBoxDisabled"/>
     <component id="ComboBoxTruncateText" class="org.apache.royale.jewel.beads.controls.combobox.ComboBoxTruncateText"/>
 
+    <component id="LayoutChildren" class="org.apache.royale.jewel.beads.layouts.LayoutChildren"/>
     <component id="BasicLayout" class="org.apache.royale.jewel.beads.layouts.BasicLayout"/>
     <component id="NullLayout" class="org.apache.royale.jewel.beads.layouts.NullLayout"/>
     <component id="SimpleHorizontalLayout" class="org.apache.royale.jewel.beads.layouts.SimpleHorizontalLayout"/>
diff --git a/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/layouts/LayoutChildren.as b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/layouts/LayoutChildren.as
new file mode 100644
index 0000000..5862498
--- /dev/null
+++ b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/layouts/LayoutChildren.as
@@ -0,0 +1,94 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  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.
+//
+////////////////////////////////////////////////////////////////////////////////
+package org.apache.royale.jewel.beads.layouts
+{
+    import org.apache.royale.core.layout.ILayoutChildren;
+    import org.apache.royale.core.IStrand;
+    import org.apache.royale.core.ILayoutView;
+    import org.apache.royale.core.UIBase;
+    import org.apache.royale.events.Event;
+
+    /**
+     *  The LayoutChildren class is an ILayoutChildren implememntation that indicates layout
+	 *  classes like StyledLayoutBase to layout childrens
+     *
+     *  @langversion 3.0
+     *  @playerversion Flash 10.2
+     *  @playerversion AIR 2.6
+     *  @productversion Royale 0.10.0
+     */
+	public class LayoutChildren implements ILayoutChildren
+	{
+        /**
+         *  Constructor.
+         *
+         *  @langversion 3.0
+         *  @playerversion Flash 10.2
+         *  @playerversion AIR 2.6
+         *  @productversion Royale 0.10.0
+         */
+        public function LayoutChildren()
+        {
+            super();
+        }
+
+        private var _strand:IStrand;
+
+        /**
+		 *  @copy org.apache.royale.core.IBead#strand
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10.2
+		 *  @playerversion AIR 2.6
+		 *  @productversion Royale 0.10.0
+		 */
+		public function set strand(value:IStrand):void
+		{
+            _strand = value;
+        }
+
+		/**
+		 *  trigger the corresponding layout algorithm in all child
+         *  elements.
+		 *  
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10.2
+		 *  @playerversion AIR 2.6
+		 *  @productversion Royale 0.10
+		 *  @royaleignorecoercion org.apache.royale.core.ILayoutView
+		 *  @royaleignorecoercion org.apache.royale.core.UIBase
+		 */
+		public function executeLayoutChildren():void
+		{
+			// We just need to make chids resize themselves (through `sizeChanged` event)
+			var contentView:ILayoutView = _strand as ILayoutView;
+			var n:int = contentView.numElements;
+			var child:UIBase;
+
+			if (n == 0) return;
+			
+			for(var i:int=0; i < n; i++) {
+				child = contentView.getElementAt(i) as UIBase;
+				if (!child)
+					continue;
+				child.dispatchEvent(new Event('sizeChanged'));
+			}
+		}
+	}
+}