if (typeof(script_root) == "undefined") {
	var script_root = '';
}


var nicEditorShop;

function article_init() { 
	//..
}

var plugin_article_options_pagetype = new Array('list_page','preview_pages');

/*---- admin functions ----*/

function plugin_article_list() {
	document.getElementById('plugin_article_admin').innerHTML = '<p><em>Retrieving Articles...</em><p>';
	var url = script_root+'plugins/article/ajax.php?action=list';
	var http =  AJAX_obj();
	http.open("GET", url, true)
	http.onreadystatechange = function() {//Call a function when the state changes.
		if(http.readyState == 4 && http.status == 200) {
			var htmlstr = '', i, items = http.responseText.split("]/*delim_item[*/"), data;
			htmlstr += '<h2>Articles List</h2>';
			if (items.length > 0) {
				htmlstr += '<table cellspacing="0" cellpadding="0" class="listing">';
				htmlstr += '<tr><th>title</th><th>last modified</th><th>&nbsp;</th></tr>';
				for (i=0;i<items.length;i++) {
					data = items[i].split("]/*delim_data[*/");
					if (data.length>=3) {
						htmlstr += '<tr>';
						htmlstr += '<td><a href="javascript:plugin_article_edit('+data[0]+');">'+data[1]+'</a></td>';
						htmlstr += '<td>'+data[2]+'</td>';
						htmlstr += '<td><a href="javascript:plugin_article_delete('+data[0]+');">delete</a></td>';
						htmlstr += '<tr>';
					}
				}
				htmlstr += '</table>';
			} else {
				htmlstr += '<p><em>no article added yet.</em></p>';
			}
			htmlstr += '<p><input type="button" value="Add Article" onclick="plugin_article_add();" /></p>';
			document.getElementById('plugin_article_admin').innerHTML = htmlstr
			document.getElementById('plugin_article_admin_menu').innerHTML = '<a href="javascript:plugin_article_options();">Edit Settings</a>';
		}
	}
	http.send();	
}

function plugin_article_add() {
	var action = 'add';
	var htmlstr = '';
	htmlstr += '<h2>Adding New Article</h2>';
	htmlstr += '<input type="hidden" id="plugin_article_form_action" value="'+action+'" />';
	htmlstr += '<table cellspacing="0" cellpadding="0" class="listing form">';
	htmlstr += '<tr><th>Title</th><td><input type="text" id="plugin_article_form_title" class="plugin_article_input" /></td></tr>';
	htmlstr += '<tr><th>Date</th><td><input type="text" id="plugin_article_form_date" class="plugin_article_input" /></td></tr>';
	htmlstr += '<tr><th>Summary</th><td><textarea id="plugin_article_form_summary" class="plugin_article_input"></textarea></td></tr>';
	htmlstr += '<tr><th>Content</th><td background: #fff; color: #000;"><textarea id="plugin_article_form_content" class="plugin_article_input"></textarea></td></tr>';
	htmlstr += '<tr><th>Keywords</th><td><textarea id="plugin_article_form_keywords" class="plugin_article_input"></textarea></td></tr>';
	htmlstr += '<tr><th>Thumbnail</th><td><input type="text" id="plugin_article_form_thumb" class="plugin_article_input" /></td></tr>';
	htmlstr += '</table>';
	htmlstr += '<div style="clear: both;"></div>';
	htmlstr += '<input type="button" value="Cancel" onclick="plugin_article_list();" />&nbsp;<input type="button" value="Save Article" onclick="plugin_article_process();" id="plugin_article_button" />';
	document.getElementById('plugin_article_admin').innerHTML = htmlstr;
	//niceditor
	nicEditorShop = new nicEditor({buttonList : ['bold','italic','underline','forecolor','fontFormat','fontSize','fontFamily','left','center','right','justify','hr','ol','ul','removeformat','link','unlink','cmsmedia','xhtml']}).panelInstance('plugin_article_form_content');
}
	
function plugin_article_edit(id) {	
	document.getElementById('plugin_article_admin').innerHTML = '<p><em>Retrieving article data...</em><p>';
	var url = script_root+'plugins/article/ajax.php?action=info&id='+id;
	var http =  AJAX_obj();
	http.open("GET", url, true)
	http.onreadystatechange = function() {//Call a function when the state changes.
		if(http.readyState == 4 && http.status == 200) {
			var htmlstr = '', data = http.responseText.split("]/*delim_data[*/");
			if (data.length>=4) {
				var action = 'edit';
				htmlstr += '<h2>Editing Article</h2>';
				htmlstr += '<input type="hidden" id="plugin_article_form_action" value="'+action+'" />';
				htmlstr += '<input type="hidden" id="plugin_article_id" value="'+id+'" />';
				htmlstr += '<table cellspacing="0" cellpadding="0" class="listing form">';
				htmlstr += '<tr><th>Title</th><td><input type="text" id="plugin_article_form_title" value="'+data[0]+'" class="plugin_article_input" /></td></tr>';
				htmlstr += '<tr><th>Date</th><td><input type="text" id="plugin_article_form_date" value="'+data[4]+'" class="plugin_article_input" /></td></tr>';
				htmlstr += '<tr><th>Summary</th><td><textarea id="plugin_article_form_summary" class="plugin_article_input">'+data[1]+'</textarea></td></tr>';
				htmlstr += '<tr><th>Content</th><td background: #fff; color: #000;"><textarea id="plugin_article_form_content" class="plugin_article_input">'+data[2]+'</textarea></td></tr>';
				htmlstr += '<tr><th>Keywords</th><td><textarea id="plugin_article_form_keywords" class="plugin_article_input">'+data[3]+'</textarea></td></tr>';
				htmlstr += '<tr><th>Thumbnail</th><td><input type="text" id="plugin_article_form_thumb" value="'+data[5]+'" class="plugin_article_input" /></td></tr>';
				htmlstr += '</table>';
				htmlstr += '<div style="clear: both;"></div>';
				htmlstr += '<input type="button" value="Cancel" onclick="plugin_article_list();" />&nbsp;<input type="button" value="Save Changes" onclick="plugin_article_process();" id="plugin_article_button" />';
				document.getElementById('plugin_article_admin').innerHTML = htmlstr;
				//niceditor
				nicEditorShop = new nicEditor({buttonList : ['bold','italic','underline','forecolor','fontFormat','fontSize','fontFamily','left','center','right','justify','hr','ol','ul','removeformat','link','unlink','cmsmedia','xhtml']}).panelInstance('plugin_article_form_content');
			} else {
				alert(http.responseText);
				plugin_article_list();
			}		
		}
	}
	http.send();	
}

	
function plugin_article_delete(id) {	
	document.getElementById('plugin_article_admin').innerHTML = '<p><em>Retrieving article data...</em><p>';
	var url = script_root+'plugins/article/ajax.php?action=info&id='+id;
	var http =  AJAX_obj();
	http.open("GET", url, true)
	http.onreadystatechange = function() {//Call a function when the state changes.
		if(http.readyState == 4 && http.status == 200) {
			var htmlstr = '', data = http.responseText.split("]/*delim_data[*/");
			if (data.length>=4) {
				var action = 'delete';
				htmlstr += '<h2>Deleting Article</h2>';
				htmlstr += '<input type="hidden" id="plugin_article_form_action" value="'+action+'" />';
				htmlstr += '<input type="hidden" id="plugin_article_id" value="'+id+'" />';
				htmlstr += '<table cellspacing="0" cellpadding="0" class="listing form">';
				htmlstr += '<tr><th>Title</th><td width="400">'+data[0]+'<td></tr>';
				htmlstr += '<tr><th>Summary</th><td>'+data[1]+'<td></tr>';
				htmlstr += '</table>';
				htmlstr += '<div style="clear: both;"></div>';	
				htmlstr += '<p>Are you sure you want to delete this article?</p>';
				htmlstr += '<p><input type="button" value="No" onclick="plugin_article_list();" />&nbsp;<input type="button" value="Yes, delete this" onclick="plugin_article_process();" id="plugin_article_button" /></p>';
				document.getElementById('plugin_article_admin').innerHTML = htmlstr;			
			} else {
				alert(http.responseText);
				plugin_article_list();
			}
		}
	}
	http.send();	
}

function plugin_article_process() {
	var button_text = document.getElementById('plugin_article_button').value;
	document.getElementById('plugin_article_button').value = 'Processing...';
	document.getElementById('plugin_article_button').disabled = true;
	var url = script_root+'plugins/article/ajax.php?action=process';
	var params = '';
	var action = document.getElementById('plugin_article_form_action').value;
	params += '&form_action='+action;
	if (action!='add') {
		params += '&article_id='+document.getElementById('plugin_article_id').value;
	}
	if (action!='delete') {
		params += '&article_date='+post_escape(document.getElementById('plugin_article_form_date').value);
		params += '&title='+post_escape(document.getElementById('plugin_article_form_title').value);
		params += '&summary='+post_escape(document.getElementById('plugin_article_form_summary').value);
		params += '&keywords='+post_escape(document.getElementById('plugin_article_form_keywords').value);
		params += '&thumb='+post_escape(document.getElementById('plugin_article_form_thumb').value);
		if (nicEditorShop.instanceById('plugin_article_form_content')) {
			params += '&content='+post_escape(nicEditorShop.instanceById('plugin_article_form_content').getContent());
		} else {
			params += '&content='+post_escape(document.getElementById('plugin_article_form_content').value);
		}
	}
	var http =  AJAX_obj();
	http.open("POST", url, true)
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.setRequestHeader("Content-length", params.length);
	http.setRequestHeader("Connection", "close");
	http.onreadystatechange = function() {//Call a function when the state changes.
		if(http.readyState == 4) {
			if (http.status == 200) {
				if (http.responseText=='success') {
					alert('Changes successfully saved!');
					plugin_article_list();
				} else {
					if (http.responseText) {
						alert(http.responseText);
					} else {
						alert('Something is wrong with the system. Please try again later.');
					}
					document.getElementById('plugin_article_button').value = button_text;
					document.getElementById('plugin_article_button').disabled = false;
				}
			} else {				
				alert('Ajax Status: '+http.status);
				document.getElementById('plugin_article_button').value = button_text;
				document.getElementById('plugin_article_button').disabled = false;
			}
		}
	}
	http.send(params);			
}

function plugin_article_options() {
	document.getElementById('plugin_article_admin').innerHTML = '<p><em>Retrieving Settings...</em><p>';
	var url = script_root+'plugins/article/ajax.php?action=option';
	var http =  AJAX_obj();
	http.open("GET", url, true)
	http.onreadystatechange = function() {//Call a function when the state changes.
		if(http.readyState == 4 && http.status == 200) {
			var htmlstr = '', i, data, items = http.responseText.split("]/*delim_item[*/");
			htmlstr += '<h2>Edit Settings</h2>';
			if (items.length > 0) {
				htmlstr += '<table cellspacing="0" cellpadding="0" class="listing form">';
				for (i=0;i<items.length;i++) {
					data = items[i].split("]/*delim_data[*/");
					htmlstr += '<tr><th width="200">'+data[1].replace(/ /g,'&nbsp;')+'</th><td>';
					if (inArray(data[0],plugin_article_options_pagetype)) { 
						htmlstr += '<select name="plugin_article_option[]" id="plugin_article_option_'+data[0]+'"/>';
						htmlstr += '<option value="0"'+(!data[2]?' selected':'')+'> - none - </option>';
						var k;
						for (k=0;k<pages.length;k++) {
							htmlstr += '<option value="'+pages[k][1]+'"'+(pages[k][1]==data[2]?' selected':'')+'>'+pages[k][0]+'</option>';
						}
						htmlstr += '</select>';
					} else {
						htmlstr += '<input name="plugin_article_option[]" type="text" id="plugin_article_option_'+data[0]+'" value="'+data[2]+'" />';
					}
					htmlstr += '</td></tr>';
				}
				htmlstr += '</table>';
				htmlstr += '<div style="clear: both;"></div>';
				htmlstr += '<p><input type="button" value="Save Changes" onclick="plugin_article_options_save();" /></p>';
			} else {
				htmlstr += '<p><em>no settings to edit.</em></p>';
			}
			document.getElementById('plugin_article_admin').innerHTML = htmlstr
			document.getElementById('plugin_article_admin_menu').innerHTML = '<a href="javascript:plugin_article_list();">Back to Article List</a>';
		}
	}
	http.send();	
}

function plugin_article_options_save() {
	var url = script_root+'plugins/article/ajax.php?action=option_save';
	var params = '';;
	params += 'action=save';
	var i, inputs = document.getElementsByName('plugin_article_option[]');
	for (i=0;i<inputs.length;i++) {
		params += '&options['+inputs[i].id.replace('plugin_article_option_','')+']='+escape(inputs[i].value);
	}
	document.getElementById('plugin_article_admin').innerHTML = 'Saving settings...';
	var http =  AJAX_obj();
	http.open("POST", url, true)
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.setRequestHeader("Content-length", params.length);
	http.setRequestHeader("Connection", "close");
	http.onreadystatechange = function() {//Call a function when the state changes.
		if(http.readyState == 4) {
			if (http.status == 200) {
				if (http.responseText=='success') {
					alert('Settings successfully updated!');
					plugin_article_list();
				} else {
					if (http.responseText) {
						alert(http.responseText);
					} else {
						alert('Something is wrong with the system. Please try again later.');
					}
					plugin_article_options();
				}
			} else {				
				alert('Ajax Status: '+http.status);
				plugin_article_options();
			}
		}
	}
	http.send(params);			
}



/*---=------------------------------ front end scripts --------------------------*/

function plugin_article_view_read(id) {
	document.getElementById('plugin_article').innerHTML = 'Loading Article...';
	var url = script_root+'plugins/article/ajax.php?action=read&id='+id;
	var http =  AJAX_obj();
	http.open("GET", url, true);
	http.onreadystatechange = function() {
		if(http.readyState == 4) {
			if (http.status == 200) {			
				document.getElementById('plugin_article').innerHTML = http.responseText;
			} else {
				alert(http.status);
				plugin_article_view_list();
			}
		}
	}
	http.send();		
}
function plugin_article_view_list() {
	document.getElementById('plugin_article').innerHTML = 'Loading Article...';
	var url = script_root+'plugins/article/ajax.php?action=list';
	var http =  AJAX_obj();
	http.open("GET", url, true);
	http.onreadystatechange = function() {
		if(http.readyState == 4 && http.status == 200) {			
			var i, data, htmlstr = '', items = http.responseText.split(']/*delim_item[*/');
			htmlstr += '<div id="plugin_article_list">';
			for (i=0;i<items.length;i++) {
				data = items[i].split(']/*delim_data[*/');
				if (data.length>=4) {
					htmlstr += '<div class="plugin_article_item">';
					htmlstr += '<div class="plugin_article_title"><h2>'+data[1]+'</h2></div>';
					htmlstr += '<div class="plugin_article_date"><p><small>Date: '+data[2]+'</small></p></div>';
					htmlstr += '<div class="plugin_article_summary">'+data[3]+'...</div>';
					htmlstr += '<div class="plugin_article_link"><p></p><p><a href="javascript:plugin_article_view_read('+data[0]+')">read more</a></p></div>';
					htmlstr += '</div>';
				}
			}
			htmlstr += '</div>';
			document.getElementById('plugin_article').innerHTML = htmlstr;
		}
	}
	http.send();		
}