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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 d878e94 Autocomplete search filter in Jewel ComboBox
d878e94 is described below
commit d878e94943c4c619110892faac7ecd688d485a3a
Author: Carlos Rovira <carlosrov...@apache.org>
AuthorDate: Wed Dec 5 17:22:18 2018 +0100
Autocomplete search filter in Jewel ComboBox
---
.../Jewel/src/main/resources/jewel-manifest.xml | 1 +
.../jewel/beads/controls/combobox/SearchFilter.as | 105 +++++++++++++++++++++
2 files changed, 106 insertions(+)
diff --git a/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
b/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
index 55ec6a2..5e982ba 100644
--- a/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
+++ b/frameworks/projects/Jewel/src/main/resources/jewel-manifest.xml
@@ -121,6 +121,7 @@
<component id="DropDownListTextPrompt"
class="org.apache.royale.jewel.beads.controls.dropdownlist.DropDownListTextPrompt"/>
<component id="ComboBoxTextPrompt"
class="org.apache.royale.jewel.beads.controls.combobox.ComboBoxTextPrompt"/>
+ <component id="SearchFilter"
class="org.apache.royale.jewel.beads.controls.combobox.SearchFilter"/>
<component id="DateFieldTextPrompt"
class="org.apache.royale.jewel.beads.controls.datefield.DateFieldTextPrompt"/>
<component id="SpanishDateComponentConfig"
class="org.apache.royale.jewel.beads.controls.datefield.SpanishDateComponentConfig"/>
<component id="TextPrompt"
class="org.apache.royale.jewel.beads.controls.textinput.TextPrompt"/>
diff --git
a/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/controls/combobox/SearchFilter.as
b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/controls/combobox/SearchFilter.as
new file mode 100644
index 0000000..be816bb
--- /dev/null
+++
b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/controls/combobox/SearchFilter.as
@@ -0,0 +1,105 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// 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.combobox
+{
+ import org.apache.royale.core.IBead;
+ import org.apache.royale.core.IStrand;
+ 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 SearchFilter bead class is a specialty bead that can be used
with
+ * a Jewel ComboBox to filter options as we type
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion Royale 0.9.5
+ */
+ public class SearchFilter implements IBead
+ {
+ /**
+ * constructor.
+ *
+ * @langversion 3.0
+ * @playerversion Flash 10.2
+ * @playerversion AIR 2.6
+ * @productversion Royale 0.9.5
+ */
+ public function SearchFilter()
+ {
+ }
+
+
+ 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);
+ }
+
+ /**
+ * the filter function to use to filter entries in the combobox
popup list
+ */
+ 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;
+ }
+
+ protected function keyUpHandler(event:KeyboardEvent):void
+ {
+ var filterText:String = (event.target as
TextInputBase).text.toUpperCase();
+
+ // the internal list in the combobox popup
+ var list:List =
event.target.parent.view.popup.view.list;
+
+ var ir:ListItemRenderer;
+ var numElements:int = list.numElements;
+ for (var i:int = 0; i < numElements; i++)
+ {
+ ir = list.getElementAt(i) as ListItemRenderer;
+ if(filterFunction(ir.text, filterText))
+ {
+ ir.visible = true;
+ } else {
+ ir.visible = false;
+ }
+ }
+ }
+ }
+}
