egroupware/etemplate/js/etemplate2.js

472 lines
12 KiB
JavaScript

/**
* EGroupware eTemplate2 - JS file which contains the complete et2 module
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Andreas Stöckel
* @copyright Stylite 2011
* @version $Id$
*/
/*egw:uses
// Include all widget classes here
et2_widget_template;
et2_widget_grid;
et2_widget_box;
et2_widget_hbox;
et2_widget_groupbox;
et2_widget_button;
et2_widget_color;
et2_widget_description;
et2_widget_textbox;
et2_widget_number;
et2_widget_url;
et2_widget_selectbox;
et2_widget_checkbox;
et2_widget_radiobox;
et2_widget_date;
et2_widget_diff;
et2_widget_styles;
et2_widget_html;
et2_widget_htmlarea;
et2_widget_tabs;
et2_widget_tree;
et2_widget_historylog;
et2_widget_hrule;
et2_widget_image;
et2_widget_file;
et2_widget_link;
et2_widget_progress;
et2_widget_selectAccount;
et2_widget_ajaxSelect;
et2_widget_vfs;
et2_extension_nextmatch;
et2_extension_customfields;
// Requirements for the etemplate2 object
et2_core_common;
et2_core_xml;
et2_core_arrayMgr;
et2_core_interfaces;
et2_core_legacyJSFunctions;
// Include the client side api core
jsapi.egw_core;
jsapi.egw_json;
*/
/**
* The etemplate2 class manages a certain etemplate2 instance.
*
* @param _container is the DOM-Node into which the DOM-Nodes of this instance
* should be inserted
* @param _submitURL is the URL to which the form data should be submitted.
*/
function etemplate2(_container, _menuaction)
{
if (typeof _menuaction == "undefined")
{
_menuaction = "etemplate::ajax_process_content";
}
// Copy the given parameters
this.DOMContainer = _container;
this.menuaction = _menuaction;
// Preset the object variable
this.widgetContainer = null;
// List of templates (XML) that are known, but not used. Indexed by id.
this.templates = {};
// Connect to the window resize event
$j(window).resize(this, function(e) {e.data.resize()});
}
/**
* Calls the resize event of all widgets
*/
etemplate2.prototype.resize = function()
{
if (this.widgetContainer)
{
// Call the "resize" event of all functions which implement the
// "IResizeable" interface
this.widgetContainer.iterateOver(function(_widget) {
_widget.resize();
}, this, et2_IResizeable);
}
}
/**
* Clears the current instance.
*/
etemplate2.prototype.clear = function()
{
if (this.widgetContainer != null)
{
// $j(':input',this.DOMContainer).validator().data("validator").destroy();
this.widgetContainer.free();
this.widgetContainer = null;
}
this.templates = {};
}
/**
* Creates an associative array containing the data array managers for each part
* of the associative data array. A part is something like "content", "readonlys"
* or "sel_options".
*/
etemplate2.prototype._createArrayManagers = function(_data)
{
if (typeof _data == "undefined")
{
_data = {};
}
// Create all neccessary _data entries
var neededEntries = ["content", "sel_options", "readonlys", "modifications",
"validation_errors"];
for (var i = 0; i < neededEntries.length; i++)
{
if (typeof _data[neededEntries[i]] == "undefined" || !_data[neededEntries[i]])
{
egw.debug("log", "Created not passed entry '" + neededEntries[i] +
"' in data array.");
_data[neededEntries[i]] = {};
}
}
var result = {};
// Create an array manager object for each part of the _data array.
for (var key in _data)
{
switch (key) {
case "etemplate_exec_id": // already processed
case "app_header":
break;
case "readonlys":
result[key] = new et2_readonlysArrayMgr(_data[key]);
break;
default:
result[key] = new et2_arrayMgr(_data[key]);
}
}
return result;
}
/**
* Loads the template from the given URL and sets the data object
*/
etemplate2.prototype.load = function(_name, _url, _data)
{
egw().debug("info", "Loaded data", _data);
// Appname should be first part of the template name
var split = _name.split('.');
var appname = split[0];
// Create the document fragment into which the HTML will be injected
var frag = document.createDocumentFragment();
// Asynchronously load the XET file (code below is executed ahead of the
// code in the callback function)
et2_loadXMLFromURL(_url, function(_xmldoc) {
// Scan for templates and store them
for(var i = 0; i < _xmldoc.childNodes.length; i++) {
var template = _xmldoc.childNodes[i];
if(template.nodeName.toLowerCase() != "template") continue;
this.templates[template.getAttribute("id")] = template;
}
// Read the XML structure of the requested template
this.widgetContainer.loadFromXML(this.templates[_name]);
// Inform the widget tree that it has been successfully loaded.
this.widgetContainer.loadingFinished();
// Insert the document fragment to the DOM Container
this.DOMContainer.appendChild(frag);
// Trigger the "resize" event
this.resize();
}, this);
// Clear any existing instance
this.clear();
// Create the basic widget container and attach it to the DOM
this.widgetContainer = new et2_container(null);
this.widgetContainer.setApiInstance(egw(appname, egw.elemWindow(this.DOMContainer)));
this.widgetContainer.setInstanceManager(this);
this.widgetContainer.setParentDOMNode(this.DOMContainer);
// store the id to submit it back to server
if(_data) {
this.etemplate_exec_id = _data.etemplate_exec_id;
}
// set app_header
if (window.opener) { // popup
document.title = _data.app_header;
} else {
// todo for idots or jdots framework
}
// Split the given data into array manager objects and pass those to the
// widget container
this.widgetContainer.setArrayMgrs(this._createArrayManagers(_data));
}
etemplate2.prototype.submit = function(button)
{
// Validator
/*var valid = true;
var inputs = $j(':input',this.DOMContainer).each(function() {
if(typeof $j(this).data("validator") == "undefined") return true;
valid = valid && $j(this).data("validator").checkValidity();
return true;
});
if(!valid) return false;*/
// Get the form values
var values = this.getValues(this.widgetContainer);
// Trigger the submit event
var canSubmit = true;
this.widgetContainer.iterateOver(function(_widget) {
if (_widget.submit(values) === false)
{
canSubmit = false;
}
}, this, et2_ISubmitListener);
if (canSubmit)
{
// Button parameter used for submit buttons in datagrid
// TODO: This should probably go in nextmatch's getValues(), along with selected rows somehow.
// I'm just not sure how.
if(button && !values.button)
{
values.button = button.id
var path = button.getPath();
var target = values;
for(var i = 0; i < path.length; i++)
{
if(!values[path[i]]) values[path[i]] = {};
target = values[path[i]];
}
if(target != values)
{
var indexes = button.id.split('[');
if (indexes.length > 1)
{
indexes = [indexes.shift(), indexes.join('[')];
indexes[1] = indexes[1].substring(0,indexes[1].length-1);
var children = indexes[1].split('][');
if(children.length)
{
indexes = jQuery.merge([indexes[0]], children);
}
}
var idx = '';
for(var i = 0; i < indexes.length; i++)
{
idx = indexes[i];
if(!target[idx] || target[idx]['$row_cont']) target[idx] = i < indexes.length -1 ? {} : true;
target = target[idx];
}
}
}
// Create the request object
if (typeof egw_json_request != "undefined" && this.menuaction)
{
var api = this.widgetContainer.egw();
var request = api.json(this.menuaction, [this.etemplate_exec_id,values], null, this);
request.sendRequest();
}
else
{
egw.debug("info", "Form got submitted with values: ", values);
}
}
}
/**
* Does a full form post submit.
* Only use this one if you need it, use the ajax submit() instead
*/
etemplate2.prototype.postSubmit = function()
{
// Get the form values
var values = this.getValues(this.widgetContainer);
// Trigger the submit event
var canSubmit = true;
this.widgetContainer.iterateOver(function(_widget) {
if (_widget.submit(values) === false)
{
canSubmit = false;
}
}, this, et2_ISubmitListener);
if (canSubmit)
{
var form = jQuery("<form id='form' action='"+egw().webserverUrl +
"/etemplate/process_exec.php?menuaction=" + this.widgetContainer.egw().getAppName()+ "' method='POST'>");
var etemplate_id = jQuery(document.createElement("input"))
.attr("name",'etemplate_exec_id')
.attr("type",'hidden')
.val(this.etemplate_exec_id)
.appendTo(form);
var input = document.createElement("input");
input.type = "hidden";
input.name = 'value';
input.value = egw().jsonEncode(values);
form.append(input);
form.appendTo(jQuery('body')).submit();
}
}
/**
* Fetches all input element values and returns them in an associative
* array. Widgets which introduce namespacing can use the internal _target
* parameter to add another layer.
*/
etemplate2.prototype.getValues = function(_root)
{
var result = {};
// Iterate over the widget tree
_root.iterateOver(function(_widget) {
// The widget must have an id to be included in the values array
if (_widget.id == "")
{
return;
}
// Get the path to the node we have to store the value at
var path = _widget.getPath();
// check if id contains a hierachical name, eg. "button[save]"
var id = _widget.id;
var indexes = id.split('[');
if (indexes.length > 1)
{
indexes = [indexes.shift(), indexes.join('[')];
indexes[1] = indexes[1].substring(0,indexes[1].length-1);
var children = indexes[1].split('][');
if(children.length)
{
indexes = jQuery.merge([indexes[0]], children);
}
path = path.concat(indexes);
// Take the last one as the ID
id = path.pop();
}
// Set the _target variable to that node
var _target = result;
for (var i = 0; i < path.length; i++)
{
// Create a new object for not-existing path nodes
if (typeof _target[path[i]] === 'undefined')
{
_target[path[i]] = {};
}
// Check whether the path node is really an object
if (typeof _target[path[i]] === 'object')
{
_target = _target[path[i]];
}
else
{
egw.debug("error", "ID collision while writing at path " +
"node '" + path[i] + "'");
}
}
// Handle arrays, eg radio[]
if(id === "")
{
id = typeof _target == "undefined" ? 0 : Object.keys(_target).length;
}
var value = _widget.getValue();
// Check whether the entry is really undefined
if (typeof _target[id] != "undefined" && (typeof _target[id] != 'object' || typeof value != 'object'))
{
egw.debug("error", _widget, "Overwriting value of '" + _widget.id +
"', id exists twice!");
}
// Store the value of the widget and reset its dirty flag
if (value !== null)
{
// Merge, if possible (link widget)
if(typeof _target[id] == 'object' && typeof value == 'object')
{
_target[id] = jQuery.extend([],_target[id],value);
}
else
{
_target[id] = value;
}
}
else if (jQuery.isEmptyObject(_target))
{
// Avoid sending back empty sub-arrays
_target = result
for (var i = 0; i < path.length-1; i++)
{
_target = _target[path[i]];
}
delete _target[path[path.length-1]];
}
_widget.resetDirty();
}, this, et2_IInput);
egw().debug("info", "Value", result);
return result;
}
function etemplate2_handle_load(_type, _response)
{
// Check the parameters
var data = _response.data;
if (typeof data.url == "string" && typeof data.data === 'object')
{
this.load(data.name, data.url, data.data);
return true;
}
throw("Error while parsing et2_load response");
}
function etemplate2_handle_validation_error(_type, _response)
{
// Display validation errors
//$j(':input',this.DOMContainer).data("validator").invalidate(_response.data);
egw().debug("warn","Validation errors", _response.data);
}
// Calls etemplate2_handle_response in the context of the object which
// requested the response from the server
egw(window).registerJSONPlugin(etemplate2_handle_load, null, 'et2_load');
egw(window).registerJSONPlugin(etemplate2_handle_validation_error, null, 'et2_validation_error');