silverstripe-cms/javascript/LeftAndMain_left.js

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/**
* LeftAndMain_left.js
* Code for supporting the left-hand panel of all the 2-pane admin windows
* This includes code for the action panel at the top, and the draggable, ajax-linked tree.
*/
if(typeof SiteTreeHandlers == 'undefined') SiteTreeHandlers = {};
SiteTreeHandlers.parentChanged_url = 'admin/ajaxupdateparent';
SiteTreeHandlers.orderChanged_url = 'admin/ajaxupdatesort';
SiteTreeHandlers.showRecord_url = 'admin/show/';
SiteTreeHandlers.controller_url = 'admin';
var _HANDLER_FORMS = {
addpage : 'Form_AddPageOptionsForm',
batchactions : 'batchactionsforms',
search : 'search_options'
};
/**
* Overload this with a real context menu if necessary
*/
var TreeContextMenu = null;
/**
* Extra methods for the tree when used in the LHS of the CMS
*/
TreeAPI = Class.create();
TreeAPI.prototype = {
/**
* Perform the given code on the each tree node with the given index.
* There could be more than one :-)
* @param idx The index of the tree node
* @param code A method to be executed, that will be passed the tree node
*/
performOnTreeNode: function(idx, code) {
var treeNode = this.getTreeNodeByIdx(idx);
if(!treeNode) return;
if(treeNode.className.indexOf('manyparents') == -1) {
code(treeNode);
} else {
var i,item,allNodes = this.getElementsByTagName('li');
for(i=0;item=allNodes[i];i++) {
if(treeNode.id == item.id) code(item);
}
}
},
getTreeNodeByIdx : function(idx) {
if(!idx) idx = "0";
var node = document.getElementById('record-' + idx);
if(idx == "0" && !node) node = document.getElementById('record-root');
return node;
},
getIdxOf : function(treeNode) {
if(treeNode && treeNode.id && treeNode.id.match(/record-([0-9a-zA-Z\-]+)$/))
return RegExp.$1;
},
createTreeNode : function(idx, title, pageType) {
var i;
var node = document.createElement('li');
node.id = 'record-' + idx;
node.className = pageType;
var aTag = document.createElement('a');
aTag.href = SiteTreeHandlers.showRecord_url + idx;
aTag.title = 'Page type: ' + pageType;
aTag.innerHTML = title;
node.appendChild(aTag);
SiteTreeNode.create(node, this.options);
return node;
},
setNodeIdx : function(idx, newIdx) {
this.performOnTreeNode(idx, function(treeNode) {
treeNode.id = 'record-' + newIdx;
var aTag = treeNode.getElementsByTagName('a')[0];
aTag.href = aTag.href.replace(idx, newIdx);
});
var treeNode = this.getTreeNodeByIdx(idx);
},
setNodeTitle : function(idx, title) {
this.performOnTreeNode(idx, function(treeNode) {
var aTag = treeNode.getElementsByTagName('a')[0];
aTag.innerHTML = title;
});
},
setNodeIcon: function(idx, oldClassName, newClassName) {
this.performOnTreeNode(idx, function(treeNode) {
treeNode.className = treeNode.className.replace(oldClassName,newClassName);
treeNode.aSpan.className = 'a ' + treeNode.className.replace('closed','spanClosed');
var aTag = treeNode.getElementsByTagName('a')[0];
aTag.title = 'Page type: ' + newClassName;
treeNode.setIconByClass();
});
},
setCurrentByIdx : function(idx) {
if(this.selected) {
var i,item;
for(i=0;item=this.selected[i];i++) {
item.removeNodeClass('current');
}
}
__tree = this;
__tree.selected = [];
this.performOnTreeNode(idx, function(treeNode) {
__tree.selected.push(treeNode);
treeNode.expose();
treeNode.addNodeClass('current');
});
},
changeCurrentTo : function(newNode) {
if(this.selected) {
var i,item;
for(i=0;item=this.selected[i];i++) {
item.removeNodeClass('current');
}
}
newNode.addNodeClass('current');
this.selected = [newNode];
newNode.expose();
},
firstSelected : function() {
if(this.selected) return this.selected[0];
}
};
/**
* Extra methods for the tree node when used in the LHS of the CMS
*/
TreeNodeAPI = Class.create();
TreeNodeAPI.prototype = {
selectTreeNode : function() {
if(this.getElementsByTagName('a')[0].href) {
_AJAX_LOADING = true;
if($('sitetree').notify('SelectionChanged', this)) {
autoSave(true, this.getPageFromServer.bind(this));
}
}
},
getPageFromServer : function() {
$('Form_EditForm').getPageFromServer(this.id.replace('record-',''), this);
_AJAX_LOADING = false;
},
ajaxExpansion : function() {
this.addNodeClass('loading');
var ul = this.treeNodeHolder(false);
ul.innerHTML = 'loading...';
// Any attempts to add children to this page should, in fact, cue them up for insertion later
ul.cuedNewNodes = [];
ul.appendTreeNode = function(node) {
this.cuedNewNodes[this.cuedNewNodes.length] = node;
}
new Ajax.Request(SiteTreeHandlers.loadTree_url + '&ajax=1&ID=' + this.getIdx(), {
onSuccess : this.installSubtree.bind(this),
onFailure : this.showSubtreeLoadingError
});
},
showSubtreeLoadingError: function(response) {
errorMessage('error loading subtree', response);
},
/**
* Context menu
*/
oncontextmenu: function(event) {
if(TreeContextMenu) {
if(!event) event = window.event;
createContextMenu(event, this, TreeContextMenu);
Event.stop(event);
return false;
}
},
duplicatePage: function() {
new Ajax.Request(baseHref() + 'admin/duplicate/' + this.getIdx() + '?ajax=1', {
method : 'get',
onSuccess : Ajax.Evaluator,
onFailure : function(response) {
errorMessage('Error: ', response);
}
});
}
}
/**
* In the case of Tree & DraggableTree, the root tree and the sub-trees all use the same class.
* In this case, however, SiteTree has a much bigger API and so SiteSubTree is smaller.
*/
SiteSubTree = Class.extend('Tree').extend('TreeAPI');
SiteSubTree.prototype = {
castAsTreeNode: function(li) {
behaveAs(li, SiteTreeNode, this.options);
}
}
/**
* Our SiteTree class extends the tree object with a richer manipulation API.
* The server will send a piece javascript that uses these functions. In this way, the server
* has flexibility over its operation, but the Script->HTML interface is kept client-side.
*/
SiteTree = Class.extend('SiteSubTree');
SiteTree.prototype = {
initialize : function() {
this.Tree.initialize();
/*
if(!this.tree.selected) this.tree.selected = [];
var els = this.getElementsByTagName('li');
for(var i=0;i<els.length;i++) if(els[i].className.indexOf('current') > -1) {
this.tree.selected.push(els[i]);
break;
}
*/
this.observeMethod('SelectionChanged', this.interruptLoading.bind(this) );
},
destroy: function () {
if(this.Tree) this.Tree.destroy();
this.Tree = null;
this.SiteSubTree = null;
this.TreeAPI = null;
this.selected = null;
},
/**
* Stop the currently loading node from loading.
*/
interruptLoading: function( newLoadingNode ) {
if( this.loadingNode ) this.loadingNode.removeNodeClass('loading');
this.loadingNode = newLoadingNode;
}
}
SiteTreeNode = Class.extend('TreeNode').extend('TreeNodeAPI');
SiteTreeNode.prototype = {
initialize: function(options) {
this.TreeNode.initialize(options);
if(this.className && this.className.match(/ *([^ ]+)( +|$)/)) {
if((typeof siteTreeHints != 'undefined') && siteTreeHints[ RegExp.$1 ]) {
this.hints = siteTreeHints[ RegExp.$1 ];
this.dropperOptions = {
accept : (this.hints.allowedChildren && (this.className.indexOf('nochildren') == -1))
? this.hints.allowedChildren : 'none'
};
}
}
if(this.className.indexOf('current') > -1) {
if(!this.tree.selected) this.tree.selected = [];
this.tree.selected.push(this);
}
if(!this.hints) this.hints = {}
},
destroy: function () {
if(this.TreeNode) this.TreeNode.destroy();
this.TreeNode = null;
this.TreeNodeAPI = null;
},
castAsTree: function(childUL) {
behaveAs(childUL, SiteSubTree, this.options);
if(this.draggableObj) childUL.makeDraggable();
},
onselect: function() {
this.selectTreeNode();
return false;
},
/**
* Drag'n'drop handlers - Ajax saving
*/
onParentChanged : function(node, oldParent, newParent) {
if(newParent.id.match(/^record-new/)) {
alert("You must save the page before dragging children into it");
return false;
}
if( node == newParent || node.getIdx() == newParent.getIdx() ) {
alert("You cannot add a page to itself");
return false;
}
if(node.innerHTML.toLowerCase().indexOf('<del') > -1) {
alert("You can't moved deleted pages");
return false;
}
if( Element.hasClassName( newParent, 'nochildren' ) ) {
alert("You can't add children to that node");
return false;
}
var currentlyOpenPageID = 0;
if($('Form_EditForm').elements.ID) currentlyOpenPageID = $('Form_EditForm').elements.ID.value;
statusMessage('saving...', '', true);
new Ajax.Request(SiteTreeHandlers.parentChanged_url, {
method : 'post',
postBody : 'ID=' + node.getIdx() + '&ParentID=' + newParent.getIdx() + '&CurrentlyOpenPageID=' + currentlyOpenPageID,
onSuccess : Ajax.Evaluator,
onFailure : function(response) {
errorMessage('error saving parent', response);
}
});
return true;
},
/**
* Called when the tree has been resorted
* nodeList is a list of all the nodes in the correct rder
* movedNode is the node that actually got moved to trigger this resorting
*/
onOrderChanged : function(nodeList, movedNode) {
statusMessage('saving...', '', true);
var i, parts = Array();
sort = 0;
for(i=0;i<nodeList.length;i++) {
if(nodeList[i].getIdx && nodeList[i].getIdx()) {
parts[parts.length] = 'ID[]=' + nodeList[i].getIdx();
// Ensure that the order of new records is preserved when they are moved THEN saved
if( nodeList[i].id.indexOf("record-new") == 0 )
if( $('Form_EditForm_ID') && ( 'record-' + $('Form_EditForm_ID').value == nodeList[i].id ) )
if( $('Form_EditForm_Sort') )
$('Form_EditForm_Sort').value = ++sort;
}
}
if(movedNode.getIdx && movedNode.getIdx()) {
parts[parts.length] = 'MovedNodeID=' + movedNode.getIdx();
}
var currentlyOpenPageID = 0;
if($('Form_EditForm').elements.ID) currentlyOpenPageID = $('Form_EditForm').elements.ID.value;
if(parts) {
new Ajax.Request(SiteTreeHandlers.orderChanged_url, {
method : 'post',
postBody : parts.join('&') + '&CurrentlyOpenPageID=' + currentlyOpenPageID,
/*onSuccess : function(response) {
// statusMessage(response.responseText, 'good');
},*/
onSuccess: Ajax.Evaluator,
onFailure : function(response) {
errorMessage('error saving order', response);
}
});
}
return true;
}
}
/**
* Action panel at the top of the left hand tree
*/
treeactions = {
toggleSelection : function(li) {
li = (li.tagName.toLowerCase() == 'button') ? li.parentNode : li;
// Deselect
if(li.selected) this.closeSelection(li, true);
else this.openSelection(li, true);
fixHeight_left();
return li.selected;
},
closeSelection : function(li, nested) {
li = (li.tagName.toLowerCase() == 'button') ? li.parentNode : li;
Element.hide(_HANDLER_FORMS[li.id]);
removeClass(li, 'selected');
li.selected = false;
$(_HANDLER_FORMS[li.id]).notify('Close');
if(li.onclose) li.onclose();
if(typeof nested == 'undefined') fixHeight_left();
},
openSelection: function(li, nested) {
li = (li.tagName.toLowerCase() == 'button') ? li.parentNode : li;
addClass(li, 'selected');
Element.show(_HANDLER_FORMS[li.id]);
li.selected = true;
// Deselect siblings
var i, set = li.parentNode.getElementsByTagName('li');
for(i=0;i<set.length;i++) if(li != set[i] && set[i].selected) {
this.closeSelection(set[i], true);
}
if(typeof nested == 'undefined') fixHeight_left();
}
}
function fixHeight_left() {
if($('treepanes')) {
fitToParent('treepanes');
var st = $('treepanes');
if(st.resize) st.resize();
}
else fitToParent('sitetree_holder');
}
// Build the site tree
SiteTree.applyTo('#sitetree');
/**
* Reorganise action checkbox
*/
ReorganiseAction = Class.create();
ReorganiseAction.applyTo('#sortitems');
ReorganiseAction.prototype = {
initialize: function () {
this.isDraggable = false;
},
onclick : function() {
if (this.isDraggable == false) {
$('sitetree').makeDraggable();
this.isDraggable = true;
} else {
$('sitetree').stopBeingDraggable();
this.isDraggable = false;
}
}
}
/**
* Control the site tree filter
*/
SiteTreeFilterForm = Class.create();
SiteTreeFilterForm.applyTo('form#search_options');
SiteTreeFilterForm.prototype = {
onsubmit: function() {
$('SiteTreeSearchButton').className = 'loading';
Ajax.SubmitForm(this, null, {
onSuccess : function(response) {
$('SiteTreeIsFiltered').value = 1;
$('SiteTreeSearchButton').className = '';
$('sitetree_ul').innerHTML = response.responseText;
Behaviour.apply();
statusMessage('Filtered tree','good');
},
onFailure : function(response) {
errorMessage('Could not filter site tree<br />' + response.responseText);
}
});
return false;
}
}