/**
 * $RCSfile: editor_plugin_src.js,v $
 * $Revision: 292 $
 * $Date: 2005/08/23 20:28:34 $
 *
 * Moxiecode DHTML Windows script.
 *
 * @author Moxiecode
 * @copyright Copyright © 2004, Moxiecode Systems AB, All rights reserved.
 */

// Patch openWindow, closeWindow TinyMCE functions

function TinyMCE_inlinepopups_getInfo() {
	return {
		longname : 'Inline Popups',
		author : 'Moxiecode Systems',
		authorurl : 'http://tinymce.moxiecode.com',
		infourl : 'http://tinymce.moxiecode.com/tinymce/docs/plugin_inlinepopups.html',
		version : tinyMCE.majorVersion + "." + tinyMCE.minorVersion
	};
};

TinyMCE.prototype.orgOpenWindow = TinyMCE.prototype.openWindow;

TinyMCE.prototype.openWindow = function(template, args) {
	// Does the caller support inline
	if (args['inline'] != "yes") {
		mcWindows.selectedWindow = null;
		args['mce_inside_iframe'] = false;
		this.orgOpenWindow(template, args);
		return;
	}

	var url, resizable, scrollbars;

	args['mce_inside_iframe'] = true;
	tinyMCE.windowArgs = args;

	if (template['file'].charAt(0) != '/' && template['file'].indexOf('://') == -1)
		url = tinyMCE.baseURL + "/themes/" + tinyMCE.getParam("theme") + "/" + template['file'];
	else
		url = template['file'];

	if (!(width = parseInt(template['width'])))
		width = 320;

	if (!(height = parseInt(template['height'])))
		height = 200;

	resizable = (args && args['resizable']) ? args['resizable'] : "no";
	scrollbars = (args && args['scrollbars']) ? args['scrollbars'] : "no";

	height += 18;

	// Replace all args as variables in URL
	for (var name in args) {
		if (typeof(args[name]) == 'function')
			continue;

		url = tinyMCE.replaceVar(url, name, escape(args[name]));
	}

	var elm = document.getElementById(this.selectedInstance.editorId + '_parent');
	var pos = tinyMCE.getAbsPosition(elm);

	// Center div in editor area
	pos.absLeft += Math.round((elm.firstChild.clientWidth / 2) - (width / 2));
	pos.absTop += Math.round((elm.firstChild.clientHeight / 2) - (height / 2));

	mcWindows.open(url, mcWindows.idCounter++, "modal=yes,width=" + width+ ",height=" + height + ",resizable=" + resizable + ",scrollbars=" + scrollbars + ",statusbar=" + resizable + ",left=" + pos.absLeft + ",top=" + pos.absTop);
};

TinyMCE.prototype.orgCloseWindow = TinyMCE.prototype.closeWindow;

TinyMCE.prototype.closeWindow = function(win) {
	if (mcWindows.selectedWindow != null)
		mcWindows.selectedWindow.close();
	else
		this.orgCloseWindow(win);
};

TinyMCE.prototype.setWindowTitle = function(win_ref, title) {
	for (var n in mcWindows.windows) {
		var win = mcWindows.windows[n];
		if (typeof(win) == 'function')
			continue;

		if (win_ref.name == win.id + "_iframe")
			window.frames[win.id + "_iframe"].document.getElementById(win.id + '_title').innerHTML = title;
	}
};

// * * * * * MCWindows classes below

// Windows handler
function MCWindows() {
	this.settings = new Array();
	this.windows = new Array();
	this.isMSIE = (navigator.appName == "Microsoft Internet Explorer");
	this.isGecko = navigator.userAgent.indexOf('Gecko') != -1;
	this.isSafari = navigator.userAgent.indexOf('Safari') != -1;
	this.isMac = navigator.userAgent.indexOf('Mac') != -1;
	this.isMSIE5_0 = this.isMSIE && (navigator.userAgent.indexOf('MSIE 5.0') != -1);
	this.action = "none";
	this.selectedWindow = null;
	this.lastSelectedWindow = null;
	this.zindex = 100;
	this.mouseDownScreenX = 0;
	this.mouseDownScreenY = 0;
	this.mouseDownLayerX = 0;
	this.mouseDownLayerY = 0;
	this.mouseDownWidth = 0;
	this.mouseDownHeight = 0;
	this.idCounter = 0;
};

MCWindows.prototype.init = function(settings) {
	this.settings = settings;

	if (this.isMSIE)
		this.addEvent(document, "mousemove", mcWindows.eventDispatcher);
	else
		this.addEvent(window, "mousemove", mcWindows.eventDispatcher);

	this.addEvent(document, "mouseup", mcWindows.eventDispatcher);

	this.doc = document;
};

MCWindows.prototype.getParam = function(name, default_value) {
	var value = null;

	value = (typeof(this.settings[name]) == "undefined") ? default_value : this.settings[name];

	// Fix bool values
	if (value == "true" || value == "false")
		return (value == "true");

	return value;
};

MCWindows.prototype.eventDispatcher = function(e) {
	e = typeof(e) == "undefined" ? window.event : e;

	if (mcWindows.selectedWindow == null)
		return;

	// Switch focus
	if (mcWindows.isGecko && e.type == "mousedown") {
		var elm = e.currentTarget;

		for (var n in mcWindows.windows) {
			var win = mcWindows.windows[n];

			if (win.headElement == elm || win.resizeElement == elm) {
				win.focus();
				break;
			}
		}
	}

	switch (e.type) {
		case "mousemove":
			mcWindows.selectedWindow.onMouseMove(e);
			break;

		case "mouseup":
			mcWindows.selectedWindow.onMouseUp(e);
			break;

		case "mousedown":
			mcWindows.selectedWindow.onMouseDown(e);
			break;

		case "focus":
			mcWindows.selectedWindow.onFocus(e);
			break;
	}
};

MCWindows.prototype.addEvent = function(obj, name, handler) {
	if (this.isMSIE)
		obj.attachEvent("on" + name, handler);
	else
		obj.addEventListener(name, handler, true);
};

MCWindows.prototype.cancelEvent = function(e) {
	if (this.isMSIE) {
		e.returnValue = false;
		e.cancelBubble = true;
	} else
		e.preventDefault();
};

MCWindows.prototype.parseFeatures = function(opts) {
	// Cleanup the options
	opts = opts.toLowerCase();
	opts = opts.replace(/;/g, ",");
	opts = opts.replace(/[^0-9a-z=,]/g, "");

	var optionChunks = opts.split(',');
	var options = new Array();

	options['left'] = "10";
	options['top'] = "10";
	options['width'] = "300";
	options['height'] = "300";
	options['resizable'] = "yes";
	options['minimizable'] = "yes";
	options['maximizable'] = "yes";
	options['close'] = "yes";
	options['movable'] = "yes";
	options['statusbar'] = "yes";
	options['scrollbars'] = "auto";
	options['modal'] = "no";

	if (opts == "")
		return options;

	for (var i=0; i<optionChunks.length; i++) {
		var parts = optionChunks[i].split('=');

		if (parts.length == 2)
			options[parts[0]] = parts[1];
	}

	options['left'] = parseInt(options['left']);
	options['top'] = parseInt(options['top']);
	options['width'] = parseInt(options['width']);
	options['height'] = parseInt(options['height']);

	return options;
};

MCWindows.prototype.open = function(url, name, features) {
	this.lastSelectedWindow = this.selectedWindow;

	var win = new MCWindow();
	var winDiv, html = "", id;
	var imgPath = this.getParam("images_path");

	features = this.parseFeatures(features);

	// Create div
	id = "mcWindow_" + name;
	win.deltaHeight = 18;

	if (features['statusbar'] == "yes") {
		win.deltaHeight += 13;

		if (this.isMSIE)
			win.deltaHeight += 1;
	}

	width = parseInt(features['width']);
	height = parseInt(features['height'])-win.deltaHeight;

	if (this.isMSIE)
		width -= 2;

	// Setup first part of window
	win.id = id;
	win.url = url;
	win.name = name;
	win.features = features;
	this.windows[name] = win;

	iframeWidth = width;
	iframeHeight = height;

	// Create inner content
	html += '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">';
	html += '<html>';
	html += '<head>';
	html += '<title>Wrapper iframe</title>';
	html += '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">';
	html += '<link href="' + this.getParam("css_file") + '" rel="stylesheet" type="text/css" />';
	html += '</head>';
	html += '<body onload="parent.mcWindows.onLoad(\'' + name + '\');">';

	html += '<div id="' + id + '_container" class="mceWindow">';
	html += '<div id="' + id + '_head" class="mceWindowHead" onmousedown="parent.mcWindows.windows[\'' + name + '\'].focus();">';
	html += '  <div id="' + id + '_title" class="mceWindowTitle"';
	html += '  onselectstart="return false;" unselectable="on" style="-moz-user-select: none !important;"></div>';
	html += '    <div class="mceWindowHeadTools">';
	html += '      <a href="javascript:parent.mcWindows.windows[\'' + name + '\'].close();" target="_self" onmousedown="return false;" class="mceWindowClose"><img border="0" src="' + imgPath + '/window_close.gif" /></a>';
//	html += '      <a href="javascript:mcWindows.windows[\'' + name + '\'].maximize();" target="_self" onmousedown="return false;" class="mceWindowMaximize"></a>';
//	html += '      <a href="javascript:mcWindows.windows[\'' + name + '\'].minimize();" target="_self" onmousedown="return false;" class="mceWindowMinimize"></a>';
	html += '    </div>';
	html += '</div><div id="' + id + '_body" class="mceWindowBody" style="width: ' + width + 'px; height: ' + height + 'px;">';
	html += '<iframe id="' + id + '_iframe" name="' + id + '_iframe" frameborder="0" width="' + iframeWidth + '" height="' + iframeHeight + '" src="' + url + '" class="mceWindowBodyIframe" scrolling="' + features['scrollbars'] + '"></iframe></div>';

	if (features['statusbar'] == "yes") {
		html += '<div id="' + id + '_statusbar" class="mceWindowStatusbar" onmousedown="parent.mcWindows.windows[\'' + name + '\'].focus();">';

		if (features['resizable'] == "yes") {
			if (this.isGecko)
				html += '<div id="' + id + '_resize" class="mceWindowResize"><div style="background-image: url(\'' + imgPath + '/window_resize.gif\'); width: 12px; height: 12px;"></div></div>';
			else
				html += '<div id="' + id + '_resize" class="mceWindowResize"><img onmousedown="parent.mcWindows.windows[\'' + name + '\'].focus();" border="0" src="' + imgPath + '/window_resize.gif" /></div>';
		}

		html += '</div>';
	}

	html += '</div>';

	html += '</body>';
	html += '</html>';

	// Create iframe
	this.createFloatingIFrame(id, features['left'], features['top'], features['width'], features['height'], html);
};

// Blocks the document events by placing a image over the whole document
MCWindows.prototype.setDocumentLock = function(state) {
	if (state) {
		var elm = document.getElementById('mcWindowEventBlocker');
		if (elm == null) {
			elm = document.createElement("div");

			elm.id = "mcWindowEventBlocker";
			elm.style.position = "absolute";
			elm.style.left = "0px";
			elm.style.top = "0px";

			document.body.appendChild(elm);
		}

		elm.style.display = "none";

		var imgPath = this.getParam("images_path");
		var width = document.body.clientWidth;
		var height = document.body.clientHeight;

		elm.style.width = width;
		elm.style.height = height;
		elm.innerHTML = '<img src="' + imgPath + '/spacer.gif" width="' + width + '" height="' + height + '" />';

		elm.style.zIndex = mcWindows.zindex-1;
		elm.style.display = "block";
	} else {
		var elm = document.getElementById('mcWindowEventBlocker');

		if (mcWindows.windows.length == 0)
			elm.parentNode.removeChild(elm);
		else
			elm.style.zIndex = mcWindows.zindex-1;
	}
};

// Gets called when wrapper iframe is initialized
MCWindows.prototype.onLoad = function(name) {
	var win = mcWindows.windows[name];
	var id = "mcWindow_" + name;
	var wrapperIframe = window.frames[id + "_iframe"].frames[0];
	var wrapperDoc = window.frames[id + "_iframe"].document;
	var doc = window.frames[id + "_iframe"].document;
	var winDiv = document.getElementById("mcWindow_" + name + "_div");
	var realIframe = window.frames[id + "_iframe"].frames[0];

	// Set window data
	win.id = "mcWindow_" + name;
	win.winElement = winDiv;
	win.bodyElement = doc.getElementById(id + '_body');
	win.iframeElement = doc.getElementById(id + '_iframe');
	win.headElement = doc.getElementById(id + '_head');
	win.titleElement = doc.getElementById(id + '_title');
	win.resizeElement = doc.getElementById(id + '_resize');
	win.containerElement = doc.getElementById(id + '_container');
	win.left = win.features['left'];
	win.top = win.features['top'];
	win.frame = window.frames[id + '_iframe'].frames[0];
	win.wrapperFrame = window.frames[id + '_iframe'];
	win.wrapperIFrameElement = document.getElementById(id + "_iframe");

	// Add event handlers
	mcWindows.addEvent(win.headElement, "mousedown", mcWindows.eventDispatcher);

	if (win.resizeElement != null)
		mcWindows.addEvent(win.resizeElement, "mousedown", mcWindows.eventDispatcher);

	if (mcWindows.isMSIE) {
		mcWindows.addEvent(realIframe.document, "mousemove", mcWindows.eventDispatcher);
		mcWindows.addEvent(realIframe.document, "mouseup", mcWindows.eventDispatcher);
	} else {
		mcWindows.addEvent(realIframe, "mousemove", mcWindows.eventDispatcher);
		mcWindows.addEvent(realIframe, "mouseup", mcWindows.eventDispatcher);
		mcWindows.addEvent(realIframe, "focus", mcWindows.eventDispatcher);
	}

	for (var i=0; i<window.frames.length; i++) {
		if (!window.frames[i]._hasMouseHandlers) {
			if (mcWindows.isMSIE) {
				mcWindows.addEvent(window.frames[i].document, "mousemove", mcWindows.eventDispatcher);
				mcWindows.addEvent(window.frames[i].document, "mouseup", mcWindows.eventDispatcher);
			} else {
				mcWindows.addEvent(window.frames[i], "mousemove", mcWindows.eventDispatcher);
				mcWindows.addEvent(window.frames[i], "mouseup", mcWindows.eventDispatcher);
			}

			window.frames[i]._hasMouseHandlers = true;
		}
	}

	if (mcWindows.isMSIE) {
		mcWindows.addEvent(win.frame.document, "mousemove", mcWindows.eventDispatcher);
		mcWindows.addEvent(win.frame.document, "mouseup", mcWindows.eventDispatcher);
	} else {
		mcWindows.addEvent(win.frame, "mousemove", mcWindows.eventDispatcher);
		mcWindows.addEvent(win.frame, "mouseup", mcWindows.eventDispatcher);
		mcWindows.addEvent(win.frame, "focus", mcWindows.eventDispatcher);
	}

	// Dispatch open window event
	var func = this.getParam("on_open_window", "");
	if (func != "")
		eval(func + "(win);");

	win.focus();

	if (win.features['modal'] == "yes")
		mcWindows.setDocumentLock(true);
};

MCWindows.prototype.createFloatingIFrame = function(id_prefix, left, top, width, height, html) {
	var iframe = document.createElement("iframe");
	var div = document.createElement("div");

	width = parseInt(width);
	height = parseInt(height)+1;

	// Create wrapper div
	div.setAttribute("id", id_prefix + "_div");
	div.setAttribute("width", width);
	div.setAttribute("height", (height));
	div.style.position = "absolute";
	div.style.left = left + "px";
	div.style.top = top + "px";
	div.style.width = width + "px";
	div.style.height = (height) + "px";
	div.style.backgroundColor = "white";
	div.style.display = "none";

	if (this.isGecko) {
		iframeWidth = width + 2;
		iframeHeight = height + 2;
	} else {
		iframeWidth = width;
		iframeHeight = height + 1;
	}

	// Create iframe
	iframe.setAttribute("id", id_prefix + "_iframe");
	iframe.setAttribute("name", id_prefix + "_iframe");
	iframe.setAttribute("border", "0");
	iframe.setAttribute("frameBorder", "0");
	iframe.setAttribute("marginWidth", "0");
	iframe.setAttribute("marginHeight", "0");
	iframe.setAttribute("leftMargin", "0");
	iframe.setAttribute("topMargin", "0");
	iframe.setAttribute("width", iframeWidth);
	iframe.setAttribute("height", iframeHeight);
//	iframe.setAttribute("src", "../jscripts/tiny_mce/blank.htm");
	// iframe.setAttribute("allowtransparency", "false");
	iframe.setAttribute("scrolling", "no");
	iframe.style.width = iframeWidth + "px";
	iframe.style.height = iframeHeight + "px";
	iframe.style.backgroundColor = "white";
	div.appendChild(iframe);

	document.body.appendChild(div);

	// Fixed MSIE 5.0 issue
	div.innerHTML = div.innerHTML;

	if (this.isSafari) {
		// Give Safari some time to setup
		window.setTimeout(function() {
			doc = window.frames[id_prefix + '_iframe'].document;
			doc.open();
			doc.write(html);
			doc.close();
		}, 10);
	} else {
		doc = window.frames[id_prefix + '_iframe'].window.document;
		doc.open();
		doc.write(html);
		doc.close();
	}

	div.style.display = "block";

	return div;
};

// Window instance
function MCWindow() {
};

MCWindow.prototype.focus = function() {
	if (this != mcWindows.selectedWindow) {
		this.winElement.style.zIndex = ++mcWindows.zindex;
		mcWindows.lastSelectedWindow = mcWindows.selectedWindow;
		mcWindows.selectedWindow = this;
	}
};

MCWindow.prototype.minimize = function() {
};

MCWindow.prototype.maximize = function() {
	
};

MCWindow.prototype.startResize = function() {
	mcWindows.action = "resize";
};

MCWindow.prototype.startMove = function(e) {
	mcWindows.action = "move";
};

MCWindow.prototype.close = function() {
	if (mcWindows.lastSelectedWindow != null)
		mcWindows.lastSelectedWindow.focus();

	var mcWindowsNew = new Array();
	for (var n in mcWindows.windows) {
		var win = mcWindows.windows[n];
		if (typeof(win) == 'function')
			continue;

		if (win.name != this.name)
			mcWindowsNew[n] = win;
	}

	mcWindows.windows = mcWindowsNew;

//	alert(mcWindows.doc.getElementById(this.id + "_iframe"));

	var e = mcWindows.doc.getElementById(this.id + "_iframe");
	e.parentNode.removeChild(e);

	var e = mcWindows.doc.getElementById(this.id + "_div");
	e.parentNode.removeChild(e);

	mcWindows.setDocumentLock(false);
};

MCWindow.prototype.onMouseMove = function(e) {
	var scrollX = 0;//this.doc.body.scrollLeft;
	var scrollY = 0;//this.doc.body.scrollTop;

	// Calculate real X, Y
	var dx = e.screenX - mcWindows.mouseDownScreenX;
	var dy = e.screenY - mcWindows.mouseDownScreenY;

	switch (mcWindows.action) {
		case "resize":
			width = mcWindows.mouseDownWidth + (e.screenX - mcWindows.mouseDownScreenX);
			height = mcWindows.mouseDownHeight + (e.screenY - mcWindows.mouseDownScreenY);

			width = width < 100 ? 100 : width;
			height = height < 100 ? 100 : height;

			this.wrapperIFrameElement.style.width = width+2;
			this.wrapperIFrameElement.style.height = height+2;
			this.wrapperIFrameElement.width = width+2;
			this.wrapperIFrameElement.height = height+2;
			this.winElement.style.width = width;
			this.winElement.style.height = height;

			height = height - this.deltaHeight;

			this.containerElement.style.width = width;

			this.iframeElement.style.width = width;
			this.iframeElement.style.height = height;
			this.bodyElement.style.width = width;
			this.bodyElement.style.height = height;
			this.headElement.style.width = width;
			//this.statusElement.style.width = width;

			mcWindows.cancelEvent(e);
			break;

		case "move":
			this.left = mcWindows.mouseDownLayerX + (e.screenX - mcWindows.mouseDownScreenX);
			this.top = mcWindows.mouseDownLayerY + (e.screenY - mcWindows.mouseDownScreenY);
			this.winElement.style.left = this.left + "px";
			this.winElement.style.top = this.top + "px";

			mcWindows.cancelEvent(e);
			break;
	}
};

function debug(msg) {
	document.getElementById('debug').value += msg + "\n";
}

MCWindow.prototype.onMouseUp = function(e) {
	mcWindows.action = "none";
};

MCWindow.prototype.onFocus = function(e) {
	// Gecko only handler
	var winRef = e.currentTarget;

	for (var n in mcWindows.windows) {
		var win = mcWindows.windows[n];
		if (typeof(win) == 'function')
			continue;

		if (winRef.name == win.id + "_iframe") {
			win.focus();
			return;
		}
	}
};

MCWindow.prototype.onMouseDown = function(e) {
	var elm = mcWindows.isMSIE ? this.wrapperFrame.event.srcElement : e.target;

	var scrollX = 0;//this.doc.body.scrollLeft;
	var scrollY = 0;//this.doc.body.scrollTop;

	mcWindows.mouseDownScreenX = e.screenX;
	mcWindows.mouseDownScreenY = e.screenY;
	mcWindows.mouseDownLayerX = this.left;
	mcWindows.mouseDownLayerY = this.top;
	mcWindows.mouseDownWidth = parseInt(this.winElement.style.width);
	mcWindows.mouseDownHeight = parseInt(this.winElement.style.height);

	if (this.resizeElement != null && elm == this.resizeElement.firstChild)
		this.startResize(e);
	else
		this.startMove(e);

	mcWindows.cancelEvent(e);
};

// Global instance
var mcWindows = new MCWindows();

// Initialize windows
mcWindows.init({
	images_path : tinyMCE.baseURL + "/plugins/inlinepopups/images",
	css_file : tinyMCE.baseURL + "/plugins/inlinepopups/css/inlinepopup.css"
});
