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Posted to commits@royale.apache.org by ca...@apache.org on 2019/01/02 14:46:18 UTC

[royale-asjs] branch develop updated: SearchFilterForList is a bead to use with TextInput to filter a List

This is an automated email from the ASF dual-hosted git repository.

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


The following commit(s) were added to refs/heads/develop by this push:
     new d6bfd3a  SearchFilterForList is a bead to use with TextInput to filter a List
d6bfd3a is described below

commit d6bfd3af67d4f7669395012af5a828c033b3b241
Author: Carlos Rovira <ca...@apache.org>
AuthorDate: Wed Jan 2 15:46:11 2019 +0100

    SearchFilterForList is a bead to use with TextInput to filter a List
---
 .../src/main/royale/ListPlayGround.mxml            |   7 ++
 .../Jewel/src/main/resources/jewel-manifest.xml    |   1 +
 .../controls/textinput/SearchFilterForList.as      | 139 +++++++++++++++++++++
 3 files changed, 147 insertions(+)

diff --git a/examples/royale/TourDeJewel/src/main/royale/ListPlayGround.mxml b/examples/royale/TourDeJewel/src/main/royale/ListPlayGround.mxml
index f5f87d3..4073aab 100644
--- a/examples/royale/TourDeJewel/src/main/royale/ListPlayGround.mxml
+++ b/examples/royale/TourDeJewel/src/main/royale/ListPlayGround.mxml
@@ -168,6 +168,13 @@ limitations under the License.
 						<j:Label html="{'Selected Index: ' + iconList.selectedIndex}"/>
 						<j:Label html="Selected Item description:"/>
 						<j:Label html="{describeIconItem(iconList.selectedItem)}"/>
+						<j:TextInput>
+							<j:beads>
+								<j:TextPrompt prompt="filter list..."/>
+								<j:SearchFilterForList list="{iconList}"/>
+													<!-- property="label" defaults to label so it's not needed -->
+							</j:beads>
+						</j:TextInput>
 						<!-- example below for dataProvider binding -->
 						<!--<j:List labelField="label" dataProvider="{iconList.dataProvider}" selectedIndex="3" width="120" height="200" />-->
 					</j:VGroup>
diff --git a/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml b/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
index adc8285..a99e66f 100644
--- a/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
+++ b/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
@@ -131,6 +131,7 @@
     <component id="MaxNumberCharacters" class="org.apache.royale.jewel.beads.controls.textinput.MaxNumberCharacters"/>
     <component id="Restrict" class="org.apache.royale.jewel.beads.controls.textinput.Restrict"/>
     <component id="UpperCase" class="org.apache.royale.jewel.beads.controls.textinput.UpperCase"/>
+    <component id="SearchFilterForList" class="org.apache.royale.jewel.beads.controls.textinput.SearchFilterForList"/>
     <component id="LowerCase" class="org.apache.royale.jewel.beads.controls.textinput.LowerCase"/>
     <component id="ComboUpperCase" class="org.apache.royale.jewel.beads.controls.combobox.ComboUpperCase"/>
     <component id="ComboLowerCase" class="org.apache.royale.jewel.beads.controls.combobox.ComboLowerCase"/>
diff --git a/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/controls/textinput/SearchFilterForList.as b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/controls/textinput/SearchFilterForList.as
new file mode 100644
index 0000000..cafa779
--- /dev/null
+++ b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/controls/textinput/SearchFilterForList.as
@@ -0,0 +1,139 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  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.controls.textinput
+{
+	import org.apache.royale.core.IBead;
+	import org.apache.royale.core.IStrand;
+	import org.apache.royale.events.Event;
+	import org.apache.royale.events.IEventDispatcher;
+	import org.apache.royale.events.KeyboardEvent;
+	import org.apache.royale.jewel.List;
+	import org.apache.royale.jewel.itemRenderers.ListItemRenderer;
+	import org.apache.royale.jewel.supportClasses.textinput.TextInputBase;
+
+	/**
+	 *  The SearchFilterForList bead class is a specialty bead that can be used with
+     *  a Jewel TextInput to filter options in other List component
+	 *
+	 *  @langversion 3.0
+	 *  @playerversion Flash 10.2
+	 *  @playerversion AIR 2.6
+	 *  @productversion Royale 0.9.5
+	 */
+	public class SearchFilterForList implements IBead
+	{
+		/**
+		 *  constructor.
+		 *
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10.2
+		 *  @playerversion AIR 2.6
+		 *  @productversion Royale 0.9.5
+		 */
+		public function SearchFilterForList()
+		{
+		}
+
+		private var _textInput:TextInputBase;
+		private var _strand:IStrand;
+
+		/**
+		 *  @copy org.apache.royale.core.IBead#strand
+		 *
+		 *  @langversion 3.0
+		 *  @playerversion Flash 10.2
+		 *  @playerversion AIR 2.6
+		 *  @productversion Royale 0.9.5
+		 *  @royaleignorecoercion org.apache.royale.events.IEventDispatcher;
+		 */
+		public function set strand(value:IStrand):void
+		{
+			_strand = value;
+			IEventDispatcher(_strand).addEventListener(KeyboardEvent.KEY_UP, keyUpHandler);
+            IEventDispatcher(_strand).addEventListener('beadsAdded', onBeadsAdded);
+		}
+
+		protected function onBeadsAdded(event:Event):void{
+            COMPILE::JS{
+                TextInputBase(_strand).element.addEventListener('focus', onInputFocus);
+            }
+		}
+
+		/**
+		 * the filter function to use to filter entries in the combobox popup list
+		 */
+		[Bindable]
+		public var filterFunction:Function = defaultFilterFunction;
+
+		/**
+		 * default filter function just filters substrings
+		 * you can use other advanced methods like levenshtein distance
+		 */
+		protected function defaultFilterFunction(text:String, filterText:String):Boolean
+		{
+			return text.toUpperCase().indexOf(filterText) > -1;
+		}
+
+		COMPILE::JS
+		protected function onInputFocus(event:Event):void{
+            applyFilter(_textInput);
+		}
+
+        protected function keyUpHandler(event:KeyboardEvent):void
+		{
+			const inputBase:TextInputBase = event.target as TextInputBase;
+			//keyup can include other things like tab navigation
+
+			if (!inputBase) {
+				//if (popUpVisible)  event.target.parent.view.popUpVisible = false;
+				return;
+			}
+            
+            applyFilter(inputBase);
+        }
+
+		[Bindable]
+		public var list:List;
+
+		[Bindable]
+		public var property:String = "label";
+
+        protected function applyFilter(input:TextInputBase):void{
+            var filterText:String = TextInputBase(_strand).text.toUpperCase();
+
+            var ir:ListItemRenderer;
+            var numElements:int = list.numElements;
+            var count:uint = 0;
+            var lastActive:ListItemRenderer;
+            for (var i:int = 0; i < numElements; i++)
+            {
+                ir = list.getElementAt(i) as ListItemRenderer;
+                if (filterFunction(ir.data[property], filterText))
+                {
+                    ir.visible = true;
+                    lastActive = ir;
+                    count++;
+                } else {
+                    ir.visible = false;
+                }
+            }
+		}
+
+	}
+}