window-globals.js

zapatec suite 最新版 20070204,非常棒的ajax widgets 工具包

// $Id: window-globals.js 6650 2007-03-19 10:14:14Z slip $
/**
 *
 * Copyright (c) 2004-2006 by Zapatec, Inc.
 * http://www.zapatec.com
 * 1700 MLK Way, Berkeley, California,
 * 94709, U.S.A.
 * All rights reserved.
 */

// Global that keeps track of z-index of windows
Zapatec.Window.maxNumber = 5;
// Global that holds the pointer to the current window
Zapatec.Window.currentWindow = null;
// Global that holds the current position to minimize to
Zapatec.Window.minimizeLeft = 0;
// Global that determines the minimal width of the window
Zapatec.Window.minWinWidth = 120;
// Global that keeps last active window
Zapatec.Window.lastActive = null;

/**
 * \internal 
 * Sorts all the minimized windows at the bottom when one of them was restored to the simple state.
 */
Zapatec.Window.sortMin = function (raised) {
	//getting the place where raised Window was
	var place = raised.getScreenPosition().x, win = null, left = 0;
	//iterating through asll widgets
	for (var i = 0; i < Zapatec.Widget.all.length; ++i) {
		//we work only with Window widget
		if (Zapatec.Widget.all[i].widgetType == "window") {
			//taking window
			win = Zapatec.Widget.all[i];
			//if it is there and minimized lets move it
			if (win && win.state.state == "min") {
				//taking its position
				left = win.getScreenPosition().x;
				//if it is after the raised one lets move it for Zapatec.Window.minWinWidth
				if (left > place) {
					left -= Zapatec.Window.minWinWidth + 5;
					win.setScreenPosition(left - (Zapatec.Utils.bodyOffset ? Zapatec.Utils.bodyOffset.left : 0), null);
				}
			}
		}
	}
	//clearing the reference
	win = null;
	//decrementing Zapatec.Window.minimizeLeft
	Zapatec.Window.minimizeLeft -= Zapatec.Window.minWinWidth + 5;
};

/**
 * Activates the window which is free.
 * @param me {object} window that requested this(can not be activated).
 * @return {boolean} true if success, otherwise false.
 */
Zapatec.Window.activateFreeWindow = function(me) {
	if (Zapatec.Window.activating) {
		return false;
	}
	//trying to activate last active window
	var win = Zapatec.Window.lastActive;
	Zapatec.Window.lastActive = me;
	if (win && win != me && win.canActivate() === true) {
		win.activate();
		return true;
	}
	//otherwise we seek possible one in array of all widgets
	var allW = Zapatec.Widget.all;
	var minimized = null;
	for(var iWidget = 0; iWidget < allW.length; ++iWidget) {
		win = allW[iWidget];
		//if it is window and can be activated - then lets do it!
		if (win && win.widgetType == "window" && win != me) {
			if (win.canActivate() === true) {
				win.activate();
				return true;
			} else if (win.canActivate() == "min" && !minimized) {
				minimized = win;
			}
		}
	}
	if (minimized) {
		minimized.activate();
		return true;
	} else {
		Zapatec.Window.currentWindow = null;
		return false;
	}
}; 

//who is activating currently :)
Zapatec.Window.activating = null;

/**
 * A function that is called to handle mousedown event for our window.
 * @param ev [object] - event object.
 * @param win [object] - our window object.
 * @param target [object] - "pushed" element.
 */
Zapatec.Window.mouseDown = function (ev, win, target) {
	//trying to activate the Window
	if (!win.config.raiseOnlyOnTitle) {
		win.activate();
	} else if (target && target.buttonType == "title") {
		win.activate();
	}
	//if it content we should not stop events as it disables selection
	if (target && target.buttonType != "content") {
		return Zapatec.Utils.stopEvent(ev);
	}
};

/**
 * A function that is called to handle mousemove event for our window.
 * @param ev [object] - event object.
 * @param win [object] - our window object.
 * @param target [object] - "pushed" element.
 */
Zapatec.Window.mouseMove = function (ev, win, target) {
};

/**
 * A function that is called to handle mouseup event for our window.
 * @param ev [object] - event object.
 * @param win [object] - our window object.
 * @param target [object] - "pushed" element.
 */
Zapatec.Window.mouseUp = function (ev, win, target) {
};

/**
 * A function that is called to handle doubleclick event for our window.
 * @param ev [object] - event object.
 * @param win [object] - our window object.
 * @param target [object] - "pushed" element.
 */
Zapatec.Window.dblClick = function (ev, win, target) {
	//proceeding double click
	if (target) {
		switch (target.buttonType) {
			case "title" : {
				switch (win.state.state) {
					case "min" : {
						//restore from minimized on double click
						win.restore();
						
						break;
					}
					case "max" : {
						//restore from maximize on double click
						win.restore();
						
						break;
					}
					case "simple" : {
						//maximize on double click if it is simple
						win.maximize();
						
						break;
					}
				}
				
				break;
			}
		}
		//we need to do drag end cause in reality dragging was started
		win.dragEnd(ev);
		//if it content we should not stop events as it disables selection
		if (target.buttonType != "content") {
			return Zapatec.Utils.stopEvent(ev);
		}
	}
}