FishEye: file windmill/trunk/flash/org/windmill/Controller.as

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mde	1361	1	/*
		2	Copyright 2009, Matthew Eernisse (mde@fleegix.org) and Slide, Inc.
		3
		4	Licensed under the Apache License, Version 2.0 (the "License");
		5	you may not use this file except in compliance with the License.
		6	You may obtain a copy of the License at
		7
		8	http://www.apache.org/licenses/LICENSE-2.0
		9
		10	Unless required by applicable law or agreed to in writing, software
		11	distributed under the License is distributed on an "AS IS" BASIS,
		12	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		13	See the License for the specific language governing permissions and
		14	limitations under the License.
		15	*/
		16
		17	package org.windmill {
		18	import org.windmill.events.*;
		19	import org.windmill.Locator;
		20	import flash.events.*
		21	import mx.events.*
mde	1367	22	import flash.utils.*;
mde	1361	23	import flash.external.ExternalInterface;
		24
		25	public class Controller {
		26	private static function _log(msg:*):void {
		27	ExternalInterface.call("logger", msg);
		28	}
mde	1367	29
mde	1361	30	public function Controller():void {}
		31
		32	public static function click(params:Object):void {
		33	var obj:* = Locator.lookupDisplayObject(params);
		34	// Give it focus
		35	Events.triggerFocusEvent(obj, FocusEvent.FOCUS_IN);
		36	// Down, (TextEvent.LINK,) up, click
		37	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_DOWN, {
		38	buttonDown: true });
		39	// If this is a link, do the TextEvent hokey-pokey
		40	// All events fire on the containing DisplayObject
		41	if ('link' in params) {
		42	var link:String = Locator.locateLinkHref(params.link,
		43	obj.htmlText);
		44	Events.triggerTextEvent(obj, TextEvent.LINK, {
		45	text: link });
		46	}
		47	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_UP);
		48	Events.triggerMouseEvent(obj, MouseEvent.CLICK);
		49	}
mde	1367	50
mde	1361	51	// Click alias functions
		52	public static function check(params:Object):void {
		53	return Controller.click(params);
		54	}
		55	public static function radio(params:Object):void {
		56	return Controller.click(params);
		57	}
		58
mde	1367	59	public static function dragToCoords(params:Object):void {
		60	Controller._log('started ...');
		61	var obj:* = Locator.lookupDisplayObject(params);
		62	var startCoords:Array = [obj.x, obj.y];
		63	var endCoords:Array = Controller.parseCoords(params.coords);
		64	// Move mouse over to the dragged obj
		65	Events.triggerMouseEvent(obj.stage, MouseEvent.MOUSE_MOVE, {
		66	stageX: startCoords[0],
		67	stageY: startCoords[1]
		68	});
		69	// Give it focus
		70	Events.triggerFocusEvent(obj, FocusEvent.FOCUS_IN);
		71	// Down, (TextEvent.LINK,) up, click
		72	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_DOWN, {
		73	buttonDown: true });
		74	// Number of steps will be number of pixels in shorter delta
		75	var deltaX:int = endCoords[0] - startCoords[0];
		76	var deltaY:int = endCoords[1] - startCoords[1];
		77	var stepCount:int = 10; // Just pick an arbitrary number of steps
		78	// Number of pixels per step
		79	var incrX:Number = deltaX / stepCount;
		80	var incrY:Number = deltaY / stepCount;
		81	// Current pos as the move happens
		82	var currX:Number = startCoords[0];
		83	var currY:Number = startCoords[1];
		84	// Step number
		85	var currStep:int = 0;
		86	// Use a delay so we can see the move
		87	var stepTimer:Timer = new Timer(5);
		88	// Step function -- reposition per step
		89	var doStep:Function = function ():void {
		90	if (currStep <= stepCount) {
		91	Events.triggerMouseEvent(obj.stage, MouseEvent.MOUSE_MOVE, {
		92	stageX: currX,
		93	stageY: currY
		94	});
		95	currX += incrX;
		96	currY += incrY;
		97	currStep++;
		98	}
		99	// Once it's finished, stop the timer and trigger
		100	// the final mouse events
		101	else {
		102	stepTimer.stop();
		103	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_UP);
		104	Events.triggerMouseEvent(obj, MouseEvent.CLICK);
		105	}
		106	}
		107	// Start the timer loop
		108	stepTimer.addEventListener(TimerEvent.TIMER, doStep);
		109	stepTimer.start();
		110	}
		111
		112	// Ensure coords are in the right format and are numbers
		113	private static function parseCoords(coordsStr:String):Array {
		114	var coords:Array = coordsStr.replace(
		115	/\(\|\)\| /g, '').split(',');
		116	if (isNaN(coords[0]) \|\| isNaN(coords[1])) {
		117	throw new Error('Coordinates must be in format "(x, y)"');
		118	}
		119	else {
		120	coords[0] = parseInt(coords[0], 10);
		121	coords[1] = parseInt(coords[1], 10);
		122	}
123	return coords;
124	}
125
mde	1361	126	public static function doubleClick(params:Object):void {
		127	var obj:* = Locator.lookupDisplayObject(params);
		128	// Give it focus
		129	Events.triggerFocusEvent(obj, FocusEvent.FOCUS_IN);
		130	// First click
		131	// Down, (TextEvent.LINK,) up, click
		132	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_DOWN, {
		133	buttonDown: true });
		134	// If this is a link, do the TextEvent hokey-pokey
		135	// All events fire on the containing DisplayObject
		136	if ('link' in params) {
		137	var link:String = Locator.locateLinkHref(params.link,
		138	obj.htmlText);
		139	Events.triggerTextEvent(obj, TextEvent.LINK, {
		140	text: link });
		141	}
		142	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_UP);
		143	Events.triggerMouseEvent(obj, MouseEvent.CLICK);
		144	// Second click
		145	// Down, (TextEvent.LINK,) up, double click
		146	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_DOWN, {
		147	buttonDown: true });
		148	// TextEvent hokey-pokey, reprise
		149	if ('link' in params) {
		150	Events.triggerTextEvent(obj, TextEvent.LINK, {
		151	text: link });
		152	}
		153	Events.triggerMouseEvent(obj, MouseEvent.MOUSE_UP);
		154	Events.triggerMouseEvent(obj, MouseEvent.DOUBLE_CLICK);
		155	}
		156
		157	public static function type(params:Object):void {
		158	// Look up the item to write to
		159	var obj:* = Locator.lookupDisplayObject(params);
		160	// Text to type out
		161	var str:String = params.text;
		162	// Char
		163	var currChar:String;
		164	// Char code
		165	var currCode:int;
		166
		167	// Give the item focus
		168	Events.triggerFocusEvent(obj, FocusEvent.FOCUS_IN);
		169	// Clear out any value it previously had
		170	obj.text = '';
		171
		172	// Write out the string, firing appropriate events as you go
		173	for (var i:int = 0; i < str.length; i++) {
		174	currChar = str.charAt(i);
		175	currCode = str.charCodeAt(i);
		176	// FIXME: In reality, capital letters / special chars
		177	// would be firing shift key events around these
		178	Events.triggerKeyboardEvent(obj, KeyboardEvent.KEY_DOWN, {
		179	charCode: currCode });
		180	// Append to the value
		181	obj.text += str.charAt(i);
		182	Events.triggerTextEvent(obj, TextEvent.TEXT_INPUT, {
		183	text: currChar });
		184	Events.triggerKeyboardEvent(obj, KeyboardEvent.KEY_UP, {
		185	charCode: currCode });
		186	}
		187	}
		188
		189	public static function select(params:Object):void {
190	// Look up the item to write to
191	var obj:* = Locator.lookupDisplayObject(params);
192	var sel:* = obj.selectedItem;
193	var item:*;
194	// Give the item focus
195	Events.triggerFocusEvent(obj, FocusEvent.FOCUS_IN);
196	// Set by index
197	switch (true) {
198	case ('index' in params):
199	if (obj.selectedIndex != params.index) {
200	Events.triggerListEvent(obj, ListEvent.CHANGE);
201	obj.selectedIndex = params.index;
202	}
203	break;
204	case ('label' in params):
205	case ('text' in params):
206	var targetLabel:String = params.label \|\| params.text;
207	// Can set a custom label field via labelField attr
208	var labelField:String = obj.labelField ?
209	obj.labelField : 'label';
210	if (sel[labelField] != targetLabel) {
211	Events.triggerListEvent(obj, ListEvent.CHANGE);
212	for each (item in obj.dataProvider) {
213	if (item[labelField] == targetLabel) {
214	obj.selectedItem = item;
215	}
216	}
217	}
218	break;
219	case ('data' in params):
220	case ('value' in params):
221	var targetData:String = params.data \|\| params.value;
222	if (sel.data != targetData) {
223	Events.triggerListEvent(obj, ListEvent.CHANGE);
224	for each (item in obj.dataProvider) {
225	if (item.data == targetData) {
226	obj.selectedItem = item;
227	}
228	}
229	}
230	break;
231	default:
232	// Do nothing
233	}
234	}
235	}
236	}
237

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