+++ /dev/null
-// © 2009 Benoît Pin
-// http://plinn.org
-// Licence GPL
-//
-//
-
-var WidgetBasedFormManager;
-
-(function(){
- WidgetBasedFormManager = function(widgets, editingArea, dataArea, dataAreaSpecs, afterShow) {
- /* widgets : {'add':element, 'edit':element} element targets nodes to clone.
- * editingArea : surrounding element where form is
- * dataArea : element where data are
- * dataAreaSpecs : by default, param used to indicate the total number of columns
- * afterShow : function called after a widget insertion
- */
- var thisWgtManager = this;
- this.widgets = widgets;
- this.openedWidget = null;
- this.dataArea = dataArea;
- this.dataAreaSpecs = dataAreaSpecs;
- this.afterShow = afterShow;
-
- var form = editingArea.getElementsByTagName('form')[0];
- this.form = form;
- var fm = new FormManager(form);
- fm.onBeforeSubmit = function(fm, evt){return thisWgtManager.onBeforeSubmit(fm, evt);};
- fm.onResponseLoad = function(req){thisWgtManager.loadResponse(req);};
-
- addListener(this.form, 'click', function(evt){thisWgtManager.clickHandler(evt);});
-
- };
-
- WidgetBasedFormManager.prototype.showAddWidget = function(dest) {
- if (this.openedWidget)
- return;
- var wdgtCopy = this.widgets['add'].cloneNode(true);
- wdgtCopy.removeAttribute('id');
- this.openedWidget = wdgtCopy;
- dest.appendChild(wdgtCopy);
- if (this.addButton)
- this.addButton.style.visibility = 'hidden';
- if (this.afterShow)
- this.afterShow(this);
- };
-
- WidgetBasedFormManager.prototype.showPopulatedWidget = function(dest, url) {
- var req = new XMLHttpRequest();
- req.open("GET", url, false);
- showProgressImage();
- req.send(null);
- hideProgressImage();
-
- if (req.status != 200){
- alert(req.status);
- return;
- }
-
- var wdgtCopy = this.widgets['edit'].cloneNode(true);
- wdgtCopy.removeAttribute('id');
- var tmpForm = document.createElement('form');
- tmpForm.appendChild(wdgtCopy);
-
- var fields = req.responseXML.documentElement.childNodes;
- var input, field, value;
- for (var i = 0 ; i<fields.length; i++) {
- field = fields[i];
- if (!field.firstChild)
- continue;
-
- value = field.firstChild.nodeValue;
- input = tmpForm.elements.namedItem(field.nodeName);
-
- switch (input.tagName) {
- case 'INPUT':
- input.value = value;
- break;
- case 'TEXTAREA':
- input.appendChild(document.createTextNode(value));
- }
- }
- dest.appendChild(wdgtCopy);
- if (this.afterShow)
- this.afterShow(this);
- };
-
- WidgetBasedFormManager.prototype.cancelWidget = function() {
- var parent = this.openedWidget.parentNode;
- parent.removeChild(this.openedWidget);
- this.openedWidget = null;
- if (this.addButton)
- this.addButton.style.visibility = 'visible';
- if (this.previousRecState) {
- this.previousRecState.style.display = '';
- this.previousRecState = null;
- }
- };
-
- WidgetBasedFormManager.prototype.updateEditedRecord = function(node) {
- var parent = this.openedWidget.parentNode;
- parent.removeChild(this.openedWidget);
- this.openedWidget = null;
- if (this.addButton)
- this.addButton.style.visibility = 'visible';
-
- parent = this.previousRecState.parentNode;
- parent.replaceChild(node, this.previousRecState);
- };
-
- WidgetBasedFormManager.prototype.clickHandler = function(evt) {
- var target = getTargetedObject(evt);
- if (target.tagName == 'IMG') {
- var parent = target.parentNode;
- if (parent.tagName == 'A') {
- switch (parent.name) {
- case 'add' :
- disableDefault(evt);
- disablePropagation(evt);
- parent.blur();
- this.addButton = parent;
- this.showAddWidget(this.form);
- break;
- case 'rm' :
- disableDefault(evt);
- disablePropagation(evt);
- this.deleteRecord(parent);
- break;
- case 'edit' :
- disableDefault(evt);
- disablePropagation(evt);
- if (!this.openedWidget) {
- var rec = this._storePreviousState(parent);
- var container = this._prepareEditingContainer(rec);
- this.showPopulatedWidget(container, parent.href);
- }
- break;
- }
- }
- }
- };
-
- WidgetBasedFormManager.prototype._storePreviousState = function(recChild) {
- var rec = recChild;
- while(!(this.isRootRecordElement(rec)))
- rec = rec.parentNode;
- rec.style.display = 'none';
- this.previousRecState = rec;
- return rec
- };
-
- WidgetBasedFormManager.prototype._prepareEditingContainer = function(rec) {
- /* default behaviour. May be redefined by an instance */
- var tbody = document.createElement('tbody');
- var tr = document.createElement('tr');
- var td = document.createElement('td')
- td.colSpan = this.dataAreaSpecs;
-
- tbody.appendChild(tr);
- tr.appendChild(td)
-
- if (rec.nextSibling)
- rec.parentNode.insertBefore(tbody, rec.nextSibling);
- else
- rec.parentNode.appendChild(tbody);
-
- this.openedWidget = tbody;
- return td
- };
-
-
-
- WidgetBasedFormManager.prototype.deleteRecord = function(link) {
- var req = new XMLHttpRequest();
-
- var thisManager = this;
- req.onreadystatechange = function() {
- switch (req.readyState) {
- case 1 :
- showProgressImage();
- break;
- case 4 :
- hideProgressImage();
- if (req.status == 200)
- thisManager._deleteHtmlRecord(req, link);
- else
- alert('Error: ' + req.status);
- };
- };
- var url = link.href;
- req.open("POST", url, true);
- req.send(null);
- };
-
-
- WidgetBasedFormManager.prototype._deleteHtmlRecord = function(req, link) {
- var doc = req.responseXML.documentElement;
- switch (doc.nodeName) {
- case 'done':
- var rec = link.parentNode;
- while(!(this.isRootRecordElement(rec)))
- rec = rec.parentNode;
- this.dataArea.removeChild(rec);
- break;
- case 'error':
- alert(doc.firstChild.nodeValue);
- break;
- }
- };
-
- WidgetBasedFormManager.prototype.isRootRecordElement = function(e) {
- /* default behaviour. May be redefined by an instance */
- return (e.tagName == 'TBODY')
- };
-
- WidgetBasedFormManager.prototype.onBeforeSubmit = function(fm, evt) {
- if (fm.submitButton.name == 'cancel'){
- this.cancelWidget();
- return 'cancelSubmit';
- }
- };
-
-
- WidgetBasedFormManager.prototype.loadResponse = function(req) {
- if (req.status == 200) {
- var doc = req.responseXML.documentElement;
- switch (doc.nodeName) {
- case 'computedField':
- switch(doc.getAttribute('type')) {
- case 'added' :
- this.cancelWidget();
- this.dataArea.appendChild(getCopyOfNode(doc.firstChild));
- break;
-
- case 'edited' :
- this.updateEditedRecord(getCopyOfNode(doc.firstChild));
- }
- break;
-
- case 'error':
- alert(doc.firstChild.nodeValue);
- break;
-
- case 'fragments' :
- var fragments = req.responseXML.documentElement.childNodes;
- var fragment, dest, scripts;
- for (var i=0 ; i<fragments.length ; i++) {
- fragment = fragments[i];
- if (fragment.nodeName == 'fragment') {
- dest = document.getElementById(fragment.getAttribute('id'));
- dest.innerHTML = fragment.firstChild.nodeValue;
-
- scripts = dest.getElementsByTagName('script');
- for (var j=0 ; j < scripts.length ; j++)
- globalScriptRegistry.loadScript(scripts[j]);
- }
- }
- break;
- }
- }
- else
- alert(req.statut);
- };
-
-})();
projects / Plinn.git / blobdiff