/* Functions for the advimage plugin popup */

var preloadImg = null;

var orgImageWidth, orgImageHeight;

function preinit() {

	// Initialize

	tinyMCE.setWindowArg('mce_windowresize', false);

	// Import external list url javascript

	var url = tinyMCE.getParam("external_image_list_url");

	if (url != null) {

		// Fix relative

		if (url.charAt(0) != '/' && url.indexOf('://') == -1)

			url = tinyMCE.documentBasePath + "/" + url;

		document.write('<sc'+'ript language="javascript" type="text/javascript" src="' + url + '"></sc'+'ript>');

	}

}

function convertURL(url, node, on_save) {

	return eval("tinyMCEPopup.windowOpener." + tinyMCE.settings['urlconverter_callback'] + "(url, node, on_save);");

}

function getImageSrc(str) {

	var pos = -1;

	if (!str)

		return "";

	if ((pos = str.indexOf('this.src=')) != -1) {

		var src = str.substring(pos + 10);

		src = src.substring(0, src.indexOf('\''));

		if (tinyMCE.getParam('convert_urls'))

			src = convertURL(src, null, true);

		return src;

	}

	return "";

}

function init() {

	tinyMCEPopup.resizeToInnerSize();

	var formObj = document.forms[0];

	var inst = tinyMCE.getInstanceById(tinyMCE.getWindowArg('editor_id'));

	var elm = inst.getFocusElement();

	var action = "insert";

	var html = "";

	// Image list src

	html = getImageListHTML('imagelistsrc','src','onSelectMainImage');

	if (html == "")

		document.getElementById("imagelistsrcrow").style.display = 'none';

	else

		document.getElementById("imagelistsrccontainer").innerHTML = html;

	// Image list oversrc

	html = getImageListHTML('imagelistover','onmouseoversrc');

	if (html == "")

		document.getElementById("imagelistoverrow").style.display = 'none';

	else

		document.getElementById("imagelistovercontainer").innerHTML = html;

	// Image list outsrc

	html = getImageListHTML('imagelistout','onmouseoutsrc');

	if (html == "")

		document.getElementById("imagelistoutrow").style.display = 'none';

	else

		document.getElementById("imagelistoutcontainer").innerHTML = html;

	// Src browser

	html = getBrowserHTML('srcbrowser','src','image','advimage');

	document.getElementById("srcbrowsercontainer").innerHTML = html;

	// Over browser

	html = getBrowserHTML('oversrcbrowser','onmouseoversrc','image','advimage');

	document.getElementById("onmouseoversrccontainer").innerHTML = html;

	// Out browser

	html = getBrowserHTML('outsrcbrowser','onmouseoutsrc','image','advimage');

	document.getElementById("onmouseoutsrccontainer").innerHTML = html;

	// Longdesc browser

	html = getBrowserHTML('longdescbrowser','longdesc','file','advimage');

	document.getElementById("longdesccontainer").innerHTML = html;

	// Resize some elements

	if (isVisible('srcbrowser'))

		document.getElementById('src').style.width = '260px';

	if (isVisible('oversrcbrowser'))

		document.getElementById('onmouseoversrc').style.width = '260px';

	if (isVisible('outsrcbrowser'))

		document.getElementById('onmouseoutsrc').style.width = '260px';

	if (isVisible('longdescbrowser'))

		document.getElementById('longdesc').style.width = '180px';

	// Check action

	if (elm != null && elm.nodeName == "IMG")

		action = "update";

	formObj.insert.value = tinyMCE.getLang('lang_' + action, 'Insert', true); 

	if (action == "update") {

		var src = tinyMCE.getAttrib(elm, 'src');

		var onmouseoversrc = getImageSrc(tinyMCE.cleanupEventStr(tinyMCE.getAttrib(elm, 'onmouseover')));

		var onmouseoutsrc = getImageSrc(tinyMCE.cleanupEventStr(tinyMCE.getAttrib(elm, 'onmouseout')));

		src = convertURL(src, elm, true);

		// Use mce_src if found

		var mceRealSrc = tinyMCE.getAttrib(elm, 'mce_src');

		if (mceRealSrc != "") {

			src = mceRealSrc;

			if (tinyMCE.getParam('convert_urls'))

				src = convertURL(src, elm, true);

		}

		if (onmouseoversrc != "" && tinyMCE.getParam('convert_urls'))

			onmouseoversrc = convertURL(onmouseoversrc, elm, true);

		if (onmouseoutsrc != "" && tinyMCE.getParam('convert_urls'))

			onmouseoutsrc = convertURL(onmouseoutsrc, elm, true);

		// Setup form data

		var style = tinyMCE.parseStyle(tinyMCE.getAttrib(elm, "style"));

		// Store away old size

		orgImageWidth = trimSize(getStyle(elm, 'width'))

		orgImageHeight = trimSize(getStyle(elm, 'height'));

		formObj.src.value    = src;

		formObj.alt.value    = tinyMCE.getAttrib(elm, 'alt');

		formObj.title.value  = tinyMCE.getAttrib(elm, 'title');

		formObj.border.value = trimSize(getStyle(elm, 'border', 'borderWidth'));

		formObj.vspace.value = tinyMCE.getAttrib(elm, 'vspace');

		formObj.hspace.value = tinyMCE.getAttrib(elm, 'hspace');

		formObj.width.value  = orgImageWidth;

		formObj.height.value = orgImageHeight;

		formObj.onmouseoversrc.value = onmouseoversrc;

		formObj.onmouseoutsrc.value  = onmouseoutsrc;

		formObj.id.value  = tinyMCE.getAttrib(elm, 'id');

		formObj.dir.value  = tinyMCE.getAttrib(elm, 'dir');

		formObj.lang.value  = tinyMCE.getAttrib(elm, 'lang');

		formObj.longdesc.value  = tinyMCE.getAttrib(elm, 'longdesc');

		formObj.usemap.value  = tinyMCE.getAttrib(elm, 'usemap');

		formObj.style.value  = tinyMCE.serializeStyle(style);

		// Select by the values

		if (tinyMCE.isMSIE)

			selectByValue(formObj, 'align', getStyle(elm, 'align', 'styleFloat'));

		else

			selectByValue(formObj, 'align', getStyle(elm, 'align', 'cssFloat'));

		addClassesToList('classlist', 'advimage_styles');

		selectByValue(formObj, 'classlist', tinyMCE.getAttrib(elm, 'class'));

		selectByValue(formObj, 'imagelistsrc', src);

		selectByValue(formObj, 'imagelistover', onmouseoversrc);

		selectByValue(formObj, 'imagelistout', onmouseoutsrc);

		updateStyle();

		showPreviewImage(src, true);

		changeAppearance();

		window.focus();

	} else

		addClassesToList('classlist', 'advimage_styles');

	// If option enabled default contrain proportions to checked

	if (tinyMCE.getParam("advimage_constrain_proportions", true))

		formObj.constrain.checked = true;

	// Check swap image if valid data

	if (formObj.onmouseoversrc.value != "" || formObj.onmouseoutsrc.value != "")

		setSwapImageDisabled(false);

	else

		setSwapImageDisabled(true);

}

function setSwapImageDisabled(state) {

	var formObj = document.forms[0];

	formObj.onmousemovecheck.checked = !state;

	setBrowserDisabled('overbrowser', state);

	setBrowserDisabled('outbrowser', state);

	if (formObj.imagelistover)

		formObj.imagelistover.disabled = state;

	if (formObj.imagelistout)

		formObj.imagelistout.disabled = state;

	formObj.onmouseoversrc.disabled = state;

	formObj.onmouseoutsrc.disabled  = state;

}

function setAttrib(elm, attrib, value) {

	var formObj = document.forms[0];

	var valueElm = formObj.elements[attrib];

	if (typeof(value) == "undefined" || value == null) {

		value = "";

		if (valueElm)

			value = valueElm.value;

	}

	if (value != "") {

		elm.setAttribute(attrib, value);

		if (attrib == "style")

			attrib = "style.cssText";

		if (attrib == "longdesc")

			attrib = "longDesc";

		if (attrib == "width") {

			attrib = "style.width";

			value = value + "px";

			value = value.replace(/%px/g, 'px');

		}

		if (attrib == "height") {

			attrib = "style.height";

			value = value + "px";

			value = value.replace(/%px/g, 'px');

		}

		if (attrib == "class")

			attrib = "className";

		eval('elm.' + attrib + "=value;");

	} else

		elm.removeAttribute(attrib);

}

function makeAttrib(attrib, value) {

	var formObj = document.forms[0];

	var valueElm = formObj.elements[attrib];

	if (typeof(value) == "undefined" || value == null) {

		value = "";

		if (valueElm)

			value = valueElm.value;

	}

	if (value == "")

		return "";

	// XML encode it

	value = value.replace(/&/g, '&');

	value = value.replace(/\"/g, '"');

	value = value.replace(/</g, '&lt;');

	value = value.replace(/>/g, '>');

	return ' ' + attrib + '="' + value + '"';

}

function insertAction() {

	var inst = tinyMCE.getInstanceById(tinyMCE.getWindowArg('editor_id'));

	var elm = inst.getFocusElement();

	var formObj = document.forms[0];

	var src = formObj.src.value;

	var onmouseoversrc = formObj.onmouseoversrc.value;

	var onmouseoutsrc = formObj.onmouseoutsrc.value;

	if (!AutoValidator.validate(formObj)) {

		alert(tinyMCE.getLang('lang_invalid_data'));

		return false;

	}

	if (tinyMCE.getParam("accessibility_warnings")) {

		if (formObj.alt.value == "" && !confirm(tinyMCE.getLang('lang_advimage_missing_alt', '', true)))

			return;

	}

	if (onmouseoversrc && onmouseoversrc != "")

		onmouseoversrc = "this.src='" + convertURL(onmouseoversrc, tinyMCE.imgElement) + "';";

	if (onmouseoutsrc && onmouseoutsrc != "")

		onmouseoutsrc = "this.src='" + convertURL(onmouseoutsrc, tinyMCE.imgElement) + "';";

	if (elm != null && elm.nodeName == "IMG") {

		setAttrib(elm, 'src', convertURL(src, tinyMCE.imgElement));

		setAttrib(elm, 'mce_src', src);

		setAttrib(elm, 'alt');

		setAttrib(elm, 'title');

		setAttrib(elm, 'border');

		setAttrib(elm, 'vspace');

		setAttrib(elm, 'hspace');

		setAttrib(elm, 'width');

		setAttrib(elm, 'height');

		setAttrib(elm, 'onmouseover', onmouseoversrc);

		setAttrib(elm, 'onmouseout', onmouseoutsrc);

		setAttrib(elm, 'id');

		setAttrib(elm, 'dir');

		setAttrib(elm, 'lang');

		setAttrib(elm, 'longdesc');

		setAttrib(elm, 'usemap');

		setAttrib(elm, 'style');

		setAttrib(elm, 'class', getSelectValue(formObj, 'classlist'));

		setAttrib(elm, 'align', getSelectValue(formObj, 'align'));

		//tinyMCEPopup.execCommand("mceRepaint");

		// Repaint if dimensions changed

		if (formObj.width.value != orgImageWidth || formObj.height.value != orgImageHeight)

			inst.repaint();

		// Refresh in old MSIE

		if (tinyMCE.isMSIE5)

			elm.outerHTML = elm.outerHTML;

	} else {

		var html = "<img";

		html += makeAttrib('src', convertURL(src, tinyMCE.imgElement));

		html += makeAttrib('mce_src', src);

		html += makeAttrib('alt');

		html += makeAttrib('title');

		html += makeAttrib('border');

		html += makeAttrib('vspace');

		html += makeAttrib('hspace');

		html += makeAttrib('width');

		html += makeAttrib('height');

		html += makeAttrib('onmouseover', onmouseoversrc);

		html += makeAttrib('onmouseout', onmouseoutsrc);

		html += makeAttrib('id');

		html += makeAttrib('dir');

		html += makeAttrib('lang');

		html += makeAttrib('longdesc');

		html += makeAttrib('usemap');

		html += makeAttrib('style');

		html += makeAttrib('class', getSelectValue(formObj, 'classlist'));

		html += makeAttrib('align', getSelectValue(formObj, 'align'));

		html += " />";

		tinyMCEPopup.execCommand("mceInsertContent", false, html);

	}

	tinyMCE._setEventsEnabled(inst.getBody(), false);

	tinyMCEPopup.close();

}

function cancelAction() {

	tinyMCEPopup.close();

}

function changeAppearance() {

	var formObj = document.forms[0];

	var img = document.getElementById('alignSampleImg');

	if (img) {

		img.align = formObj.align.value;

		img.border = formObj.border.value;

		img.hspace = formObj.hspace.value;

		img.vspace = formObj.vspace.value;

	}

}

function changeMouseMove() {

	var formObj = document.forms[0];

	setSwapImageDisabled(!formObj.onmousemovecheck.checked);

}

function updateStyle() {

	var formObj = document.forms[0];

	var st = tinyMCE.parseStyle(formObj.style.value);

	if (tinyMCE.getParam('inline_styles', false)) {

		st['width'] = formObj.width.value == '' ? '' : formObj.width.value + "px";

		st['height'] = formObj.height.value == '' ? '' : formObj.height.value + "px";

		st['border-width'] = formObj.border.value == '' ? '' : formObj.border.value + "px";

		st['margin-top'] = formObj.vspace.value == '' ? '' : formObj.vspace.value + "px";

		st['margin-bottom'] = formObj.vspace.value == '' ? '' : formObj.vspace.value + "px";

		st['margin-left'] = formObj.hspace.value == '' ? '' : formObj.hspace.value + "px";

		st['margin-right'] = formObj.hspace.value == '' ? '' : formObj.hspace.value + "px";

	} else {

		st['width'] = st['height'] = st['border-width'] = null;

		if (st['margin-top'] == st['margin-bottom'])

			st['margin-top'] = st['margin-bottom'] = null;

		if (st['margin-left'] == st['margin-right'])

			st['margin-left'] = st['margin-right'] = null;

	}

	formObj.style.value = tinyMCE.serializeStyle(st);

}

function styleUpdated() {

	var formObj = document.forms[0];

	var st = tinyMCE.parseStyle(formObj.style.value);

	if (st['width'])

		formObj.width.value = st['width'].replace('px', '');

	if (st['height'])

		formObj.height.value = st['height'].replace('px', '');

	if (st['margin-top'] && st['margin-top'] == st['margin-bottom'])

		formObj.vspace.value = st['margin-top'].replace('px', '');

	if (st['margin-left'] && st['margin-left'] == st['margin-right'])

		formObj.hspace.value = st['margin-left'].replace('px', '');

	if (st['border-width'])

		formObj.border.value = st['border-width'].replace('px', '');

}

function changeHeight() {

	var formObj = document.forms[0];

	if (!formObj.constrain.checked || !preloadImg) {

		updateStyle();

		return;

	}

	if (formObj.width.value == "" || formObj.height.value == "")

		return;

	var temp = (parseInt(formObj.width.value) / parseInt(preloadImg.width)) * preloadImg.height;

	formObj.height.value = temp.toFixed(0);

	updateStyle();

}

function changeWidth() {

	var formObj = document.forms[0];

	if (!formObj.constrain.checked || !preloadImg) {

		updateStyle();

		return;

	}

	if (formObj.width.value == "" || formObj.height.value == "")

		return;

	var temp = (parseInt(formObj.height.value) / parseInt(preloadImg.height)) * preloadImg.width;

	formObj.width.value = temp.toFixed(0);

	updateStyle();

}

function onSelectMainImage(target_form_element, name, value) {

	var formObj = document.forms[0];

	formObj.alt.value = name;

	formObj.title.value = name;

	resetImageData();

	showPreviewImage(formObj.elements[target_form_element].value, false);

}

function showPreviewImage(src, start) {

	var formObj = document.forms[0];

	selectByValue(document.forms[0], 'imagelistsrc', src);

	var elm = document.getElementById('prev');

	var src = src == "" ? src : tinyMCE.convertRelativeToAbsoluteURL(tinyMCE.settings['base_href'], src);

	if (!start && tinyMCE.getParam("advimage_update_dimensions_onchange", true))

		resetImageData();

	if (src == "")

		elm.innerHTML = "";

	else

		elm.innerHTML = '<img id="previewImg" src="' + src + '" border="0" onload="updateImageData();" onerror="resetImageData();" />'

}

function updateImageData() {

	var formObj = document.forms[0];

	preloadImg = document.getElementById('previewImg');

	if (formObj.width.value == "")

		formObj.width.value = preloadImg.width;

	if (formObj.height.value == "")

		formObj.height.value = preloadImg.height;

	updateStyle();

}

function resetImageData() {

	var formObj = document.forms[0];

	formObj.width.value = formObj.height.value = "";	

}

function getSelectValue(form_obj, field_name) {

	var elm = form_obj.elements[field_name];

	if (elm == null || elm.options == null)

		return "";

	return elm.options[elm.selectedIndex].value;

}

function getImageListHTML(elm_id, target_form_element, onchange_func) {

	if (typeof(tinyMCEImageList) == "undefined" || tinyMCEImageList.length == 0)

		return "";

	var html = "";

	html += '<select id="' + elm_id + '" name="' + elm_id + '"';

	html += ' class="mceImageList" onfocus="tinyMCE.addSelectAccessibility(event, this, window);" onchange="this.form.' + target_form_element + '.value=';

	html += 'this.options[this.selectedIndex].value;';

	if (typeof(onchange_func) != "undefined")

		html += onchange_func + '(\'' + target_form_element + '\',this.options[this.selectedIndex].text,this.options[this.selectedIndex].value);';

	html += '"><option value="">---</option>';

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

		html += '<option value="' + tinyMCEImageList[i][1] + '">' + tinyMCEImageList[i][0] + '</option>';

	html += '</select>';

	return html;