Subversion-Projekte lars-tiefland.content-management

/** This file is derived from PopupDiv, developed by Mihai Bazon for

 * SamWare.net.  Modifications were needed to make it usable in HTMLArea.

 * HTMLArea is a free WYSIWYG online HTML editor from InteractiveTools.com.

 *

 * This file does not function standalone.  It is dependent of global functions

 * defined in HTMLArea-3.0 (htmlarea.js).

 *

 * Please see file htmlarea.js for further details.

 **/

var is_ie = ( (navigator.userAgent.toLowerCase().indexOf("msie") != -1) &&

	      (navigator.userAgent.toLowerCase().indexOf("opera") == -1) );

var is_compat = (document.compatMode == "BackCompat");

function PopupDiv(editor, titleText, handler, initFunction) {

	var self = this;

	this.editor = editor;

	this.doc = editor._mdoc;

	this.handler = handler;

	var el = this.doc.createElement("div");

	el.className = "content";

	var popup = this.doc.createElement("div");

	popup.className = "dialog popupdiv";

	this.element = popup;

	var s = popup.style;

	s.position = "absolute";

	s.left = "0px";

	s.top = "0px";

	var title = this.doc.createElement("div");

	title.className = "title";

	this.title = title;

	popup.appendChild(title);

	HTMLArea._addEvent(title, "mousedown", function(ev) {

		self._dragStart(is_ie ? window.event : ev);

	});

	var button = this.doc.createElement("div");

	button.className = "button";

	title.appendChild(button);

	button.innerHTML = "×";

	title.appendChild(this.doc.createTextNode(titleText));

	this.titleText = titleText;

	button.onmouseover = function() {

		this.className += " button-hilite";

	};

	button.onmouseout = function() {

		this.className = this.className.replace(/\s*button-hilite\s*/g, " ");

	};

	button.onclick = function() {

		this.className = this.className.replace(/\s*button-hilite\s*/g, " ");

		self.close();

	};

	popup.appendChild(el);

	this.content = el;

	this.doc.body.appendChild(popup);

	this.dragging = false;

	this.onShow = null;

	this.onClose = null;

	this.modal = false;

	initFunction(this);

};

PopupDiv.currentPopup = null;

PopupDiv.prototype.showAtElement = function(el, mode) {

	this.defaultSize();

	var pos, ew, eh;

	var popup = this.element;

	popup.style.display = "block";

	var w = popup.offsetWidth;

	var h = popup.offsetHeight;

	popup.style.display = "none";

	if (el != window) {

		pos = PopupDiv.getAbsolutePos(el);

		ew = el.offsetWidth;

		eh = el.offsetHeight;

	} else {

		pos = {x:0, y:0};

		var size = PopupDiv.getWindowSize();

		ew = size.x;

		eh = size.y;

	}

	var FX = false, FY = false;

	if (mode.indexOf("l") != -1) {

		pos.x -= w;

		FX = true;

	}

	if (mode.indexOf("r") != -1) {

		pos.x += ew;

		FX = true;

	}

	if (mode.indexOf("t") != -1) {

		pos.y -= h;

		FY = true;

	}

	if (mode.indexOf("b") != -1) {

		pos.y += eh;

		FY = true;

	}

	if (mode.indexOf("c") != -1) {

		FX || (pos.x += Math.round((ew - w) / 2));

		FY || (pos.y += Math.round((eh - h) / 2));

	}

	this.showAt(pos.x, pos.y);

};

PopupDiv.prototype.defaultSize = function() {

	var s = this.element.style;

	var cs = this.element.currentStyle;

	var addX = (is_ie && is_compat) ? (parseInt(cs.borderLeftWidth) +

					   parseInt(cs.borderRightWidth) +

					   parseInt(cs.paddingLeft) +

					   parseInt(cs.paddingRight)) : 0;

	var addY = (is_ie && is_compat) ? (parseInt(cs.borderTopWidth) +

					   parseInt(cs.borderBottomWidth) +

					   parseInt(cs.paddingTop) +

					   parseInt(cs.paddingBottom)) : 0;

	s.display = "block";

	s.width = (this.content.offsetWidth + addX) + "px";

	s.height = (this.content.offsetHeight + this.title.offsetHeight) + "px";

	s.display = "none";

};

PopupDiv.prototype.showAt = function(x, y) {

	this.defaultSize();

	var s = this.element.style;

	s.display = "block";

	s.left = x + "px";

	s.top = y + "px";

	this.hideShowCovered();

	PopupDiv.currentPopup = this;

	HTMLArea._addEvents(this.doc.body, ["mousedown", "click"], PopupDiv.checkPopup);

	HTMLArea._addEvents(this.editor._doc.body, ["mousedown", "click"], PopupDiv.checkPopup);

	if (is_ie && this.modal) {

		this.doc.body.setCapture(false);

		this.doc.body.onlosecapture = function() {

			(PopupDiv.currentPopup) && (this.doc.body.setCapture(false));

		};

	}

	window.event && HTMLArea._stopEvent(window.event);

	if (typeof this.onShow == "function") {

		this.onShow();

	} else if (typeof this.onShow == "string") {

		eval(this.onShow);

	}

	var field = this.element.getElementsByTagName("input")[0];

	if (!field) {

		field = this.element.getElementsByTagName("select")[0];

	}

	if (!field) {

		field = this.element.getElementsByTagName("textarea")[0];

	}

	if (field) {

		field.focus();

	}

};

PopupDiv.prototype.close = function() {

	this.element.style.display = "none";

	PopupDiv.currentPopup = null;

	this.hideShowCovered();

	HTMLArea._removeEvents(this.doc.body, ["mousedown", "click"], PopupDiv.checkPopup);

	HTMLArea._removeEvents(this.editor._doc.body, ["mousedown", "click"], PopupDiv.checkPopup);

	is_ie && this.modal && this.doc.body.releaseCapture();

	if (typeof this.onClose == "function") {

		this.onClose();

	} else if (typeof this.onClose == "string") {

		eval(this.onClose);

	}

	this.element.parentNode.removeChild(this.element);

};

PopupDiv.prototype.getForm = function() {

	var forms = this.content.getElementsByTagName("form");

	return (forms.length > 0) ? forms[0] : null;

};

PopupDiv.prototype.callHandler = function() {

	var tags = ["input", "textarea", "select"];

	var params = new Object();

	for (var ti in tags) {

		var tag = tags[ti];

		var els = this.content.getElementsByTagName(tag);

		for (var j = 0; j < els.length; ++j) {

			var el = els[j];

			params[el.name] = el.value;

		}

	}

	this.handler(this, params);

	return false;

};

PopupDiv.getAbsolutePos = function(el) {

	var r = { x: el.offsetLeft, y: el.offsetTop };

	if (el.offsetParent) {

		var tmp = PopupDiv.getAbsolutePos(el.offsetParent);

		r.x += tmp.x;

		r.y += tmp.y;

	}

	return r;

};

PopupDiv.getWindowSize = function() {

	if (window.innerHeight) {

		return { y: window.innerHeight, x: window.innerWidth };

	}

	if (this.doc.body.clientHeight) {

		return { y: this.doc.body.clientHeight, x: this.doc.body.clientWidth };

	}

	return { y: this.doc.documentElement.clientHeight, x: this.doc.documentElement.clientWidth };

};

PopupDiv.prototype.hideShowCovered = function () {

	var self = this;

	function isContained(el) {

		while (el) {

			if (el == self.element) {

				return true;

			}

			el = el.parentNode;

		}

		return false;

	};

	var tags = new Array("applet", "select");

	var el = this.element;

	var p = PopupDiv.getAbsolutePos(el);

	var EX1 = p.x;

	var EX2 = el.offsetWidth + EX1;

	var EY1 = p.y;

	var EY2 = el.offsetHeight + EY1;

	if (el.style.display == "none") {

		EX1 = EX2 = EY1 = EY2 = 0;

	}

	for (var k = tags.length; k > 0; ) {

		var ar = this.doc.getElementsByTagName(tags[--k]);

		var cc = null;

		for (var i = ar.length; i > 0;) {

			cc = ar[--i];

			if (isContained(cc)) {

				cc.style.visibility = "visible";

				continue;

			}

			p = PopupDiv.getAbsolutePos(cc);

			var CX1 = p.x;

			var CX2 = cc.offsetWidth + CX1;

			var CY1 = p.y;

			var CY2 = cc.offsetHeight + CY1;

			if ((CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {

				cc.style.visibility = "visible";

			} else {

				cc.style.visibility = "hidden";

			}

		}

	}

};

PopupDiv.prototype._dragStart = function (ev) {

	if (this.dragging) {

		return false;

	}

	this.dragging = true;

	PopupDiv.currentPopup = this;

	var posX = ev.clientX;

	var posY = ev.clientY;

	if (is_ie) {

		posY += this.doc.body.scrollTop;

		posX += this.doc.body.scrollLeft;

	} else {

		posY += window.scrollY;

		posX += window.scrollX;

	}

	var st = this.element.style;

	this.xOffs = posX - parseInt(st.left);

	this.yOffs = posY - parseInt(st.top);

	HTMLArea._addEvent(this.doc, "mousemove", PopupDiv.dragIt);

	HTMLArea._addEvent(this.doc, "mouseover", HTMLArea._stopEvent);

	HTMLArea._addEvent(this.doc, "mouseup", PopupDiv.dragEnd);

	HTMLArea._stopEvent(ev);

};

PopupDiv.dragIt = function (ev) {

	var popup = PopupDiv.currentPopup;

	if (!(popup && popup.dragging)) {

		return false;

	}

	is_ie && (ev = window.event);

	var posX = ev.clientX;

	var posY = ev.clientY;

	if (is_ie) {

		posY += this.doc.body.scrollTop;

		posX += this.doc.body.scrollLeft;

	} else {

		posY += window.scrollY;

		posX += window.scrollX;

	}

	popup.hideShowCovered();

	var st = popup.element.style;

	st.left = (posX - popup.xOffs) + "px";

	st.top = (posY - popup.yOffs) + "px";

	HTMLArea._stopEvent(ev);

};

PopupDiv.dragEnd = function () {

	var popup = PopupDiv.currentPopup;

	if (!popup) {

		return false;

	}

	popup.dragging = false;

	HTMLArea._removeEvent(popup.doc, "mouseup", PopupDiv.dragEnd);

	HTMLArea._removeEvent(popup.doc, "mouseover", HTMLArea._stopEvent);

	HTMLArea._removeEvent(popup.doc, "mousemove", PopupDiv.dragIt);

	popup.hideShowCovered();

};

PopupDiv.checkPopup = function (ev) {

	is_ie && (ev = window.event);

	var el = is_ie ? ev.srcElement : ev.target;

	var cp = PopupDiv.currentPopup;

	for (; (el != null) && (el != cp.element); el = el.parentNode);

	if (el == null) {

		cp.modal || ev.type == "mouseover" || cp.close();

		HTMLArea._stopEvent(ev);

	}

};

PopupDiv.prototype.addButtons = function() {

	var self = this;

	var div = this.doc.createElement("div");

	this.content.appendChild(div);

	div.className = "buttons";

	for (var i = 0; i < arguments.length; ++i) {

		var btn = arguments[i];

		var button = this.doc.createElement("button");

		div.appendChild(button);

		button.innerHTML = HTMLArea.I18N.buttons[btn];

		switch (btn) {

		    case "ok":

			button.onclick = function() {

				self.callHandler();

				self.close();

			};

			break;

		    case "cancel":

			button.onclick = function() {

				self.close();

			};

			break;

		}

	}

};