var ImageDialog = {

	preInit : function() {

		var url;

		tinyMCEPopup.requireLangPack();

		if (url = tinyMCEPopup.getParam("external_image_list_url"))

			document.write('<script language="javascript" type="text/javascript" src="' + tinyMCEPopup.editor.documentBaseURI.toAbsolute(url) + '"></script>');

	},

	init : function() {

		var f = document.forms[0], ed = tinyMCEPopup.editor;

		// Setup browse button

		document.getElementById('srcbrowsercontainer').innerHTML = getBrowserHTML('srcbrowser','src','image','theme_advanced_image');

		if (isVisible('srcbrowser'))

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

		e = ed.selection.getNode();

		this.fillFileList('image_list', 'tinyMCEImageList');

		if (e.nodeName == 'IMG') {

			f.src.value = ed.dom.getAttrib(e, 'src');

			f.alt.value = ed.dom.getAttrib(e, 'alt');

			f.border.value = this.getAttrib(e, 'border');

			f.vspace.value = this.getAttrib(e, 'vspace');

			f.hspace.value = this.getAttrib(e, 'hspace');

			f.width.value = ed.dom.getAttrib(e, 'width');

			f.height.value = ed.dom.getAttrib(e, 'height');

			f.insert.value = ed.getLang('update');

			this.styleVal = ed.dom.getAttrib(e, 'style');

			selectByValue(f, 'image_list', f.src.value);

			selectByValue(f, 'align', this.getAttrib(e, 'align'));

			this.updateStyle();

		}

	},

	fillFileList : function(id, l) {

		var dom = tinyMCEPopup.dom, lst = dom.get(id), v, cl;

		l = window[l];

		if (l && l.length > 0) {

			lst.options[lst.options.length] = new Option('', '');

			tinymce.each(l, function(o) {

				lst.options[lst.options.length] = new Option(o[0], o[1]);

			});

		} else

			dom.remove(dom.getParent(id, 'tr'));

	},

	update : function() {

		var f = document.forms[0], nl = f.elements, ed = tinyMCEPopup.editor, args = {}, el;

		if (f.src.value === '') {

			tinyMCEPopup.close();

			return;

		}

		if (!ed.settings.inline_styles) {

			args = tinymce.extend(args, {

				vspace : nl.vspace.value,

				hspace : nl.hspace.value,

				border : nl.border.value,

				align : getSelectValue(f, 'align')

			});

		} else

			args.style = this.styleVal;

		tinymce.extend(args, {

			src : f.src.value,

			alt : f.alt.value,

			width : f.width.value,

			height : f.height.value

		});

		el = ed.selection.getNode();

		if (el && el.nodeName == 'IMG') {

			ed.dom.setAttribs(el, args);

		} else {

			ed.dom.setAttribs('__mce_tmp', args);

			ed.dom.setAttrib('__mce_tmp', 'id', '');

		}

		tinyMCEPopup.close();

	},

	updateStyle : function() {

		var dom = tinyMCEPopup.dom, st, v, f = document.forms[0];

		if (tinyMCEPopup.editor.settings.inline_styles) {

			st = tinyMCEPopup.dom.parseStyle(this.styleVal);

			// Handle align

			v = getSelectValue(f, 'align');

			if (v) {

				if (v == 'left' || v == 'right') {

					st['float'] = v;

					delete st['vertical-align'];

				} else {

					st['vertical-align'] = v;

					delete st['float'];

				}

			} else {

				delete st['float'];

				delete st['vertical-align'];

			}

			// Handle border

			v = f.border.value;

			if (v || v == '0') {

				if (v == '0')

					st['border'] = '0';

				else

					st['border'] = v + 'px solid black';

			} else

				delete st['border'];

			// Handle hspace

			v = f.hspace.value;

			if (v) {

				delete st['margin'];

				st['margin-left'] = v + 'px';

				st['margin-right'] = v + 'px';

			} else {

				delete st['margin-left'];

				delete st['margin-right'];

			}

			// Handle vspace

			v = f.vspace.value;

			if (v) {

				delete st['margin'];

				st['margin-top'] = v + 'px';

				st['margin-bottom'] = v + 'px';

			} else {

				delete st['margin-top'];

				delete st['margin-bottom'];

			}

			// Merge

			st = tinyMCEPopup.dom.parseStyle(dom.serializeStyle(st));

			this.styleVal = dom.serializeStyle(st);

		}

	},

	getAttrib : function(e, at) {

		var ed = tinyMCEPopup.editor, dom = ed.dom, v, v2;

		if (ed.settings.inline_styles) {

			switch (at) {

				case 'align':

					if (v = dom.getStyle(e, 'float'))

						return v;

					if (v = dom.getStyle(e, 'vertical-align'))

						return v;

					break;

				case 'hspace':

					v = dom.getStyle(e, 'margin-left')

					v2 = dom.getStyle(e, 'margin-right');

					if (v && v == v2)

						return parseInt(v.replace(/[^0-9]/g, ''));

					break;

				case 'vspace':

					v = dom.getStyle(e, 'margin-top')

					v2 = dom.getStyle(e, 'margin-bottom');

					if (v && v == v2)

						return parseInt(v.replace(/[^0-9]/g, ''));

					break;

				case 'border':

					v = 0;

					tinymce.each(['top', 'right', 'bottom', 'left'], function(sv) {

						sv = dom.getStyle(e, 'border-' + sv + '-width');

						// False or not the same as prev

						if (!sv || (sv != v && v !== 0)) {

							v = 0;

							return false;

						}

						if (sv)

							v = sv;

					});

					if (v)

						return parseInt(v.replace(/[^0-9]/g, ''));

					break;

			}

		}

		if (v = dom.getAttrib(e, at))

			return v;

		return '';

	},

	resetImageData : function() {

		var f = document.forms[0];

		f.width.value = f.height.value = "";	

	},

	updateImageData : function() {

		var f = document.forms[0], t = ImageDialog;

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

			f.width.value = t.preloadImg.width;

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

			f.height.value = t.preloadImg.height;

	},

	getImageData : function() {

		var f = document.forms[0];

		this.preloadImg = new Image();

		this.preloadImg.onload = this.updateImageData;

		this.preloadImg.onerror = this.resetImageData;

		this.preloadImg.src = tinyMCEPopup.editor.documentBaseURI.toAbsolute(f.src.value);

	}

};

ImageDialog.preInit();

tinyMCEPopup.onInit.add(ImageDialog.init, ImageDialog);