// specify the event_name without the prefix 'on'
function hmtfwDispatchEvent(obj, event_name) {
	if (obj) {
		if (obj.fireEvent) {
			obj.fireEvent('on' + event_name);
		} else if (document.createEvent) {
			var evt= document.createEvent('HTMLEvents');
			if (evt.initEvent) {
				evt.initEvent(event_name, true, true);
			}
			if (obj.dispatchEvent) {
				obj.dispatchEvent(evt);
			}
		}
	}
}

////

function hmtfwGetOfsLeft(event) {
	if (event.offsetX) {
		return event.offsetX;
	} else {
		return event.layerX;
	}
}

function hmtfwGetOfsTop(event) {
	if (event.offsetY) {
		return event.offsetY;
	} else {
		return event.layerY;
	}
}

function hmtfwGetScrollLeft(obj) {
	return (obj.pageXOffset) ? obj.pageXOffset : obj.scrollLeft;
}

function hmtfwGetScrollTop(obj) {
	return (obj.pageYOffset) ? obj.pageYOffset : obj.scrollTop;
}

function hmtfwSetScrollLeft(obj, left) {
	if (obj.pageXOffset) {
		obj.pageXOffset= left;
	} else {
		obj.scrollLeft= left;
	}
}

function hmtfwSetScrollTop(obj, top) {
	if (obj.pageYOffset) {
		obj.pageYOffset= top;
	} else {
		obj.scrollTop= top;
	}
}

function hmtfwGetScrollWidth(obj) {
	var test1 = obj.scrollWidth;
	var test2 = obj.offsetWidth;
	return Math.max(test1, test2);
}

function hmtfwGetScrollHeight(obj) {
	var test1 = obj.scrollHeight;
	var test2 = obj.offsetHeight
	return Math.max(test1, test2);
}

function hmtfwGetScrollWindowWidth(obj) {
	var test1 = obj.scrollWidth;
	var test2 = obj.offsetWidth;
	return Math.min(test1, test2);
}

function hmtfwGetScrollWindowHeight(obj) {
	var test1 = obj.scrollHeight;
	var test2 = obj.offsetHeight
	return Math.min(test1, test2);
}

function hmtfwGetPageScrollLeft(doc) {
	// courtesy of quirksmode.org
	if (doc.documentElement && doc.documentElement.pageYOffset) { // all except Explorer
		return doc.documentElement.pageXOffset;
	}
	else if (doc.documentElement && doc.documentElement.scrollTop) {
	// Explorer 6 Strict
		return doc.documentElement.scrollLeft;
	} else if (doc.body) { // all other Explorers
		return doc.body.scrollLeft;
	}	
}

function hmtfwGetPageScrollTop(doc) {
	// courtesy of quirksmode.org
	if (doc.documentElement && doc.documentElement.pageYOffset) { // all except Explorer
		return doc.documentElement.pageYOffset;
	}
	else if (doc.documentElement && doc.documentElement.scrollTop) {
	// Explorer 6 Strict
		return doc.documentElement.scrollTop;
	} else if (doc.body) { // all other Explorers
		return doc.body.scrollTop;
	}	
}

function hmtfwLocationWithScrollRatio(href, objId) {
	var obj= gE(objId);
	var h= href;
	if (obj) {
		var path;
		var search;
		if (h.indexOf('?') > 0) {
			path= h.substring(0, h.indexOf('?'));
			search= h.substring(h.indexOf('?'), h.length);
		} else {
			path= h;
			search= '';
		}

		var pairs;
		var width= hmtfwGetScrollWidth(obj);
		var height= hmtfwGetScrollHeight(obj);
		var winwidth= hmtfwGetScrollWindowWidth(obj);
		var winheight= hmtfwGetScrollWindowHeight(obj);
		
		var url;
		if (hmtfwUseCookiesScrollRatio) {
			url= new hmtfwCookie();
		} else {
			url= new hmtfwURLSearch(search);
		}
		url.setValue(
			hmtfwScrollRatioHParamName, 
			((width == 0) ? '' : (hmtfwGetScrollLeft(obj) + winwidth / 2) / width)
		);
		url.setValue(
			hmtfwScrollRatioVParamName, 
			((height == 0) ? '' : (hmtfwGetScrollTop(obj) + winheight / 2) / height)
		);

		if (!hmtfwUseCookiesScrollRatio) {
			h= path + url.getSearch();
		}
	}
	location.href= h;
	return false;
}

function hmtfwRestoreScrollPosition(objId) {
	var obj= gE(objId);
	var h= location.search;
	if (obj) {
		var query;
		if (hmtfwUseCookiesScrollRatio) {
			query= new hmtfwCookie();
		} else {
			query= new hmtfwURLSearch(h);
		}
		var ratio;
		var max;
		var min;
		var ofs;
		
		ratio= query.getValue(hmtfwScrollRatioHParamName);
		max= hmtfwGetScrollWidth(obj);
		min= hmtfwGetScrollWindowWidth(obj);
		if (ratio && ratio.length > 0) {
			ofs= Math.max(0, Math.min(max - min, ratio * max - min / 2));
			hmtfwSetScrollLeft(obj, ofs);
		}
		ratio= query.getValue(hmtfwScrollRatioVParamName);
		max= hmtfwGetScrollHeight(obj);
		min= hmtfwGetScrollWindowHeight(obj);
		if (ratio && ratio.length > 0) {
			ofs= Math.max(0, Math.min(max - min, ratio * max - min / 2));
			hmtfwSetScrollTop(obj, ofs);
		}
	}
}

function hmtfwURLSearch(q, sep) {
	// parts courtesy of http://www.eggheadcafe.com/articles/20020107.asp
	if (q.length > 1) this.q = q.substring(1, q.length);
	else this.q = null;
	this.keyValuePairs = new Array();
	this.sep= sep || '&';
	if(this.q) {
		for(var i=0; i < this.q.split(this.sep).length; i++) {
			this.keyValuePairs[i] = hmtfwStringTrim(this.q.split(this.sep)[i]);
		}
	}

	this.getKeyValuePairs = function() { 
		return this.keyValuePairs; 
	}
	
	this.getValue = function(s) {
		for(var j=0; j < this.keyValuePairs.length; j++) {
			if(this.keyValuePairs[j].split("=")[0] == s) {
				return decodeURIComponent(this.keyValuePairs[j].split("=")[1]);
			}
		}
		return null;
	}

	this.setValue = function(param, value) {
		for(var j=0; j < this.keyValuePairs.length; j++) {
			if(this.keyValuePairs[j].split("=")[0] == param) {
				this.keyValuePairs[j]= param + '=' + encodeURIComponent(value);
				return false;
			}
		}
		this.keyValuePairs[this.keyValuePairs.length]= param + '=' + encodeURIComponent(value);
		return true;
	}
	
	this.getParameters = function() {
		var a = new Array(this.getLength());
		for(var j=0; j < this.keyValuePairs.length; j++) {
			a[j] = this.keyValuePairs[j].split("=")[0];
		}
		return a;
	}

	this.getLength = function() { 
		return this.keyValuePairs.length; 
	} 
	
	this.getSearch = function() {
		var s= '';
		var sep= '?';
		for(var j=0; j < this.keyValuePairs.length; j++) {
			s = s + sep + this.keyValuePairs[j];
			sep= this.sep;
		}
		return s;
	}
	
}

function hmtfwCookie() {
	// parts courtesy of http://www.eggheadcafe.com/articles/20020107.asp
	this.q= document.cookie || '';
	this.keyValuePairs = new Array();
	this.sep= ';';
	if(this.q) {
		for(var i=0; i < this.q.split(this.sep).length; i++) {
			this.keyValuePairs[i] = hmtfwStringTrim(this.q.split(this.sep)[i]);
		}
	}

	this.getKeyValuePairs = function() { 
		return this.keyValuePairs; 
	}
	
	this.getValue = function(s) {
		for(var j=0; j < this.keyValuePairs.length; j++) {
			if(this.keyValuePairs[j].split("=")[0] == s) {
				return decodeURIComponent(this.keyValuePairs[j].split("=")[1]);
			}
		}
		return null;
	}

	this.setValue = function(param, value) {
		this.setCookie(param, value);

		for(var j=0; j < this.keyValuePairs.length; j++) {
			if(this.keyValuePairs[j].split("=")[0] == param) {
				this.keyValuePairs[j]= param + '=' + encodeURIComponent(value);
				return false;
			}
		}
		this.keyValuePairs[this.keyValuePairs.length]= 
			param 
			+ '=' 
			+ encodeURIComponent(value);
		return true;
	}
	
	this.getLength = function() { 
		return this.keyValuePairs.length; 
	} 
	
	this.setCookie = function(param, value, path, domain, expiresGMT) {
		if (!path) path= '';
		if (!domain) domain= '';
		if (!expiresGMT) expiresGMT= '';
		document.cookie= 
			param + '=' + encodeURIComponent(value)
			+ condtext('; expires=', '', expiresGMT)
			+ condtext('; path=', '', path)
			+ condtext('; domain=', '', domain)
			;
	}
	
}

function hmtfwGetCookie(param) {
	var url= new hmtfwCookie();
	return url.getValue(param);
}

function hmtfwStringTrim(str) {
	if (!str) return str;
	return str.replace(/^\s+/, '').replace(/\s+$/, '');
}

function hmtfwSetFormAutoContinue(submit_elem_id, delay_millisec) {
	hmtfwAutoContinueTimeoutHandle= setTimeout("hmtfwAutoSubmitFormBySubelemId(\"" + submit_elem_id + "\");", delay_millisec);
	var o= gE(submit_elem_id);
	var step= 1000;
	if (!o) return;
	if (delay_millisec > 1000) {
		hmtfwAutoContinueIntervalHandle= setInterval(
			"hmtfwSetCountdown(\"" 
			+ submit_elem_id + "\", \"" 
			+ o.value + "\", "
			+ (delay_millisec - step)
			+ ", " + step + ");", 
			step
		);
	}
}

function hmtfwAutoSubmitFormBySubelemId(elem_id) {
	clearTimeout(hmtfwAutoContinueTimeoutHandle);
	var o= gE(elem_id);
	if (!o) return;
	o.form.submit();
}

function hmtfwSetCountdown(submit_elem_id, base_caption, start_delay_millisec, step_millisec) {
	var o= gE(submit_elem_id);
	if (!hmtfwSetCountdown.counter) {
		hmtfwSetCountdown.counter= start_delay_millisec;
	} else {
		hmtfwSetCountdown.counter-= step_millisec;
	}
	if (!o) return;
	o.value= base_caption + " (" + (hmtfwSetCountdown.counter / 1000) + ")";
	if ((hmtfwSetCountdown.counter / 1000) <= 0) {
		clearInterval(hmtfwAutoContinueIntervalHandle);
	}
}

var hmtfwScrollRatioHParamName= 'scrollRatioH';
var hmtfwScrollRatioVParamName= 'scrollRatioV';
var hmtfwUseCookiesScrollRatio= navigator.cookieEnabled == true;
var hmtfwAutoContinueTimeoutHandle;
var hmtfwAutoContinueIntervalHandle;

function hmtfwDebug(text) {
	(
			(window.console && console.log) 
			|| (window.opera && opera.postError) 
			|| window.alert
	).call(this, text);
}

function hmtfwDefaultValueHandler() {
	jQuery('input[data-default-val]').each(function() {
		jQuery(this).val(jQuery(this).attr('data-default-val')).addClass('input-default-value');
	});
	jQuery('input[data-default-val]').focus(function() {
		if (jQuery(this).val() == jQuery(this).attr('data-default-val')){
			jQuery(this).val('').removeClass('input-default-value');
	    }
	});
	jQuery('input[data-default-val]').blur(function() {
		if (jQuery(this).val() == ''){
			jQuery(this).val(jQuery(this).attr('data-default-val')).addClass('input-default-value');
		}
	});
}


/**
 * adjust the height of objects
 * 
 * @return
 */
function hmtfwSetEqualHeight() {

	// defining the functions for legacy compatibility and IE 9
	Object.keys = function( obj ) {
		var array = new Array();
		for ( var prop in obj ) {
			if ( obj.hasOwnProperty( prop ) ) {
				array.push( prop );
			}
		}
		return array;
	};

	// adjust height for global equal height
	// -------------------------------------
	var maxHeightGlobal= 0;
	jQuery('.ce-equal-height').each(function(index, element) {
		var elem= jQuery(element);
		maxHeightGlobal= Math.max(elem.height(), maxHeightGlobal);
	});
	jQuery('.ce-equal-height').css('height', maxHeightGlobal);
	

	// equal height per row
	// --------------------
	var storageHeight= new Object();
	var maxHeightRow= 0;
	jQuery('.ce-equal-row-height').each(function(index, element) {
		var elem= jQuery(element);
		// store the original heigth for later use
		storageHeight[elem.attr('id')]= elem.height();
		maxHeightRow= Math.max(elem.height(), maxHeightRow);
	});
	// set all elements to the max possible heigth;
	// this gets us the required grid to determin the
	// final rows
	jQuery('.ce-equal-row-height').css('height', maxHeightRow);
	
	// group the elements by row
	var groupRow= new Object();
	jQuery('.ce-equal-row-height').each(function(index, element) {
		var elem= jQuery(element);
		var topPos= elem.position().top;
		if (!groupRow[topPos]) {
			groupRow[topPos]= new Array();
		}
		groupRow[topPos].push(elem.attr('id'));
	});
	
	var rowKeys= Object.keys(groupRow);
	for(var i=0; i<rowKeys.length; i++) {
		var row= groupRow[rowKeys[i]];
		var maxRowHeight= 0;
		// get max heigth per row
		for (var j= 0; j< row.length; j++) {
			var id= row[j];
			maxRowHeight= Math.max(maxRowHeight, storageHeight[id]);
		}
		// set max heigth per row
		for (var j= 0; j< row.length; j++) {
			var id= row[j];
			jQuery('#'+id).css('height', maxRowHeight);
		}
	}
	

	// equal height per col
	// --------------------
	storageHeight= new Object();
	var maxHeightCol= 0;
	jQuery('.ce-equal-col-height').each(function(index, element) {
		var elem= jQuery(element);
		// store the original heigth for later use
		storageHeight[elem.attr('id')]= elem.height();
		maxHeightCol= Math.max(elem.height(), maxHeightCol);
	});
	// set all elements to the max possible heigth;
	// this gets us the required grid to determin the
	// final cols
	jQuery('.ce-equal-col-height').css('height', maxHeightCol);
	
	// group the elements by col
	var groupCol= new Object();
	jQuery('.ce-equal-col-height').each(function(index, element) {
		var elem= jQuery(element);
		var leftPos= elem.position().left;
		if (!groupCol[leftPos]) {
			groupCol[leftPos]= new Array();
		}
		groupCol[leftPos].push(elem.attr('id'));
	});
	
	// set the correct heigth
	var colKeys= Object.keys(groupCol);
	for(var i=0; i<colKeys.length; i++) {
		var col= groupCol[colKeys[i]];
		var maxColHeight= 0;
		// get max heigth per col
		for (var j= 0; j< col.length; j++) {
			var id= col[j];
			maxColHeight= Math.max(maxColHeight, storageHeight[id]);
		}
		// set max heigth per col
		for (var j= 0; j< col.length; j++) {
			var id= col[j];
			jQuery('#'+id).css('height', maxColHeight);
		}
	}
}

function hmtfw_check_for_scrolling() {
	if(hmtfw_hash_builder.keyExists('scroll_to_height') && typeof(hmtfw_hash_builder.get('scroll_to_height')) != 'undefined') {
		var scroll_to_height= hmtfw_hash_builder.get('scroll_to_height');
		window.scrollTo(0, scroll_to_height);
	}
}

function hmtfw_tree_node_select_master_check(el, checked) {
	// parent is the table that contains the checkbox of the parent node of el
	var parent = el.closest('.tn_subnodes').prev('.tn_select_node');
	
	if (!parent || parent.length == 0) {
		return;
	}
	
	// check if all siblings (including "el") have the same value for property "checked"
	all = true;
	el.siblings('table').find('.tn_select_master_check_cell input:checkbox, .tn_select_check_cell input:checkbox').each(function() {
		return all = all && (jQuery(this).prop("checked") === checked);
	});
	
	if (all && checked) {
		// all sibling nodes have the same "checked" state -> give the parent node's master check box the same state and remove indetermination state.
		parent.find('.tn_select_master_check_cell input:checkbox').prop({
			indeterminate: false,
			checked: checked
		});
		hmtfw_tree_node_select_master_check(parent, checked);
	} else if (all && !checked) {
		// all sibling nodes have the same "checked" state -> give the parent node's master check box the same state and remove indetermination state.
		parent.find('.tn_select_master_check_cell input:checkbox').prop({
			indeterminate: false,
			checked: checked
		});
		hmtfw_tree_node_select_master_check(parent, checked);
	} else {
		// the sibling nodes have different "checked" states -> give all parent node's master check boxes an indeterminate state.
		while (parent && parent.length > 0) {
			parent.find('.tn_select_master_check_cell input:checkbox').prop({
				indeterminate: true,
				checked: false
			});
			
			parent= parent.closest('.tn_subnodes').prev('.tn_select_node');
		}
	}
}

/**
 * toggle the item picker panel. if it was made visible, then focus is placed in the ajax search field
 * 
 * @param elem the item container or a descendant
 */
function hmtfw_item_picker_toggle(elem) {
	elem= jQuery(elem);
	if (!elem.hasClass('hmtfw_itemlist_container')) {
		elem= elem.closest('.hmtfw_itemlist_container');
	}
	
	var picker= elem.find('.hmtfw_item_picker');
	var place_focus= !picker.is(':visible');
	picker.toggle();
	if (place_focus) {
		var search_field= picker.find('.hmtfw_itemlist_tool input:text')[0];
		if (typeof(search_field) != 'undefined') {
			search_field.focus();
		}
	} else {
		nd(1); // close overlib popup
	}
}

/**
 * close the item picker panel
 * 
 * @param elem the item container or a descendant
 */
function hmtfw_item_picker_close(elem) {
	elem= jQuery(elem);
	if (!elem.hasClass('hmtfw_itemlist_container')) {
		elem= elem.closest('.hmtfw_itemlist_container');
	}
	
	var picker= elem.find('.hmtfw_item_picker');
	nd(1); // close overlib popup
	picker.hide();
}

/**
 * toggle the itemlist picker panel. if it was made visible, then focus is placed in the ajax search field
 * 
 * @param elem a descendant of .hmtfw_itemlist_outer_container
 */
function hmtfw_itemlist_picker_toggle(elem) {
	elem= jQuery(elem);
	elem= elem.closest('.hmtfw_itemlist_outer_container');
	
	var picker= elem.find('.hmtfw_itemlist_picker');
	var place_focus= !picker.is(':visible');
	picker.toggle();
	if (place_focus) { 
		var search_field= picker.find('.hmtfw_itemlist_tool input:text')[0];
		if (typeof(search_field) != 'undefined') {
			search_field.focus();
		}
	} else {
		nd(1); // close overlib popup
	}
}

/**
 * close the itemlist picker panel
 * 
 * @param elem a descendant of .hmtfw_itemlist_outer_container
 */
function hmtfw_itemlist_picker_close(elem) {
	elem= jQuery(elem);
	elem= elem.closest('.hmtfw_itemlist_outer_container');
	
	var picker= elem.find('.hmtfw_itemlist_picker');
	nd(1); // close overlib popup
	picker.hide();
}

function hmtfw_resource_quick_info_open(elem) {
	var obj= jQuery(elem);
	var resource_id= obj.data('hmtfw-resource-id');
	var popup_id=  'hmtfw-resource-quick-info-' + resource_id;
	
	overlib(
		'<div style="text-align: center"><img border="0" src="' + hmtfw_ajax_loader_gif_path + '"></div>',      
		CAPTION, 'Ressourcen-Quickinfo', STICKY, WIDTH, 300, CLOSECLICK,
		TOGGLEPOPUP, popup_id
	);
	
	if (olVisible()) {
		jQuery.ajax({
			url: hmtfw_resource_info_app_url,
			data: { action: 'QUICKINFO', resource_ids: resource_id },
			cache: true,
			dataType: 'json',
			success: function (content, textStatus, jqXHR) {
				nd(0);
				overlib(
					content['info_html'],      
					CAPTION, content['caption_html'], STICKY, WIDTH, 300, CLOSECLICK,
					TOGGLEPOPUP, popup_id
				);
			}
		});
	}
}

jQuery(document).ready(hmtfwSetEqualHeight);
jQuery(document).load(hmtfwSetEqualHeight);
jQuery(document).ready(hmtfwDefaultValueHandler);
jQuery(document).ready(function () { 
	jQuery('body').on('click', '.hmtfw-expand-cropped', function () { 
		jQuery(this).parent().toggle(). // hide cropped content
		next().toggle(); // show full content
		return false;
	}); 
	jQuery('body').on('click', '.hmtfw-collapse-cropped', function () {
		jQuery(this).parent().toggle(). // hide full content
		prev().toggle(); // show cropped content
		return false;
	});
	
	// open/close the resource info hover when clicking on the resource info icon
	jQuery('body').on('click', '.hmtfw-resource-info-icon', function () {
		hmtfw_resource_quick_info_open(this);
		return false;
	});
	
	// take care of proper opening / closing of single-item picker section
	jQuery('body').on('click', '.hmtfw_itemlist_container .hmtfw_item_picker_toggle_edit', function () {
		hmtfw_item_picker_toggle(this); // toggle picker
		return false;
	});
	jQuery('body').on('click', '.hmtfw_itemlist_container.hidden .hmtfw_itemlist_close', function () {
		hmtfw_item_picker_close(this); // toggle picker
		return false;
	});
	
	// take care of proper opening / closing of multi-item picker section
	jQuery('body').on('click', '.hmtfw_itemlist_outer_container .hmtfw_itemlist_picker_toggle_add', function () {
		hmtfw_itemlist_picker_toggle(this); // toggle picker
		return false;
	});
});
jQuery(document).ready(hmtfw_check_for_scrolling);