From ca3ad6305ec0655ad8475a12ac2228b61cdd9ba0 Mon Sep 17 00:00:00 2001
From: Lionel LASKE <llaske@c2s.fr>
Date: Sat, 25 Aug 2012 20:23:36 +0000
Subject: Init commit

---
(limited to 'html/lib/onyx/source/FlyweightPicker.js')

diff --git a/html/lib/onyx/source/FlyweightPicker.js b/html/lib/onyx/source/FlyweightPicker.js
new file mode 100644
index 0000000..4adfab4
--- /dev/null
+++ b/html/lib/onyx/source/FlyweightPicker.js
@@ -0,0 +1,110 @@
+/**
+	_onyx.FlyweightPicker_, a subkind of <a href="#onyx.Picker">onyx.Picker</a>,
+	is a picker	that employs the flyweight pattern. It is used to display a
+	large list of selectable items.	As with
+	<a href="#enyo.FlyweightRepeater">enyo.FlyweightRepeater</a>,
+	the _onSetupItem_ event allows for customization of item rendering.
+
+	To initialize the FlyweightPicker to a particular value, call _setSelected_
+	with the index of the item you wish to select, and call _setContent_ with
+	the item that should be shown in the activator button.
+
+	FlyweightPicker will send an _onSelect_ event with a selected item's
+	information. This can be received by a client application to determine which
+	item was selected.
+
+		enyo.kind({
+			handlers: {
+				onSelect: "itemSelected"
+			},
+			components: [
+				{kind: "onyx.PickerDecorator", components: [
+					{},
+					{name: "yearPicker", kind: "onyx.FlyweightPicker", count: 200,
+						onSetupItem: "setupYear", components: [
+							{name: "year"}
+						]
+					}
+				]}
+			],
+			create: function() {
+				var d = new Date();
+				var y = d.getYear();
+				this.$.yearPicker.setSelected(y);
+				this.$.year.setContent(1900+y);
+			},
+			setupYear: function(inSender, inEvent) {
+				this.$.year.setContent(1900+inEvent.index);
+			},
+			itemSelected: function(inSender, inEvent) {
+				enyo.log("Picker Item Selected: " + inEvent.selected.content);
+			}
+		})
+ */
+enyo.kind({
+	name: "onyx.FlyweightPicker",
+	kind: "onyx.Picker",
+	classes: "onyx-flyweight-picker",
+	published: {
+		//* How many rows to render
+		count: 0
+	},
+	events: {
+		//* Sends the row index, and the row control, for decoration.
+		onSetupItem: "",
+		onSelect: ""
+	},
+	handlers: {
+		onSelect: "itemSelect"
+	},
+	components: [
+		{name: "scroller", kind: "enyo.Scroller", strategyKind: "TouchScrollStrategy", components: [
+			{name: "client", kind: "FlyweightRepeater", ontap: "itemTap"}
+		]}
+	],
+	scrollerName: "scroller",
+	create: function() {
+		this.inherited(arguments);
+		this.countChanged();
+	},
+	rendered: function() {
+		this.inherited(arguments);
+		this.selectedChanged();
+	},
+	scrollToSelected: function() {
+		var n = this.$.client.fetchRowNode(this.selected);
+		this.getScroller().scrollToNode(n, !this.menuUp);
+	},
+	countChanged: function() {
+		this.$.client.count = this.count;
+	},
+	processActivatedItem: function(inItem) {
+		this.item = inItem;
+	},
+	selectedChanged: function(inOld) {
+		if (!this.item) {
+			return;
+		}
+		if (inOld !== undefined) {
+			this.item.removeClass("selected");
+			this.$.client.renderRow(inOld);
+		}
+		this.item.addClass("selected");
+		this.$.client.renderRow(this.selected);
+		// need to remove the class from control to make sure it won't apply to other rows
+		this.item.removeClass("selected");
+		var n = this.$.client.fetchRowNode(this.selected);
+		this.doChange({selected: this.selected, content: n && n.textContent || this.item.content});
+	},
+	itemTap: function(inSender, inEvent) {
+		this.setSelected(inEvent.rowIndex);
+		//Send the select event that we want the client to receive.
+		this.doSelect({selected: this.item, content: this.item.content})
+	},
+	itemSelect: function(inSender, inEvent) {
+		//Block all select events that aren't coming from this control. This is to prevent select events from MenuItems since they won't have the correct value in a Flyweight context.
+		if (inEvent.originator != this) {
+			return true;
+		}
+	}
+});
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