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ENHANCEMENT adapt the page dropdown based off the allowedChildren values (from r97745)

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@102746 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2010-04-14 01:32:05 +00:00
parent 29292b865d
commit c0707cb562
2 changed files with 66 additions and 32 deletions
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90
javascript/LeftAndMain.AddForm.js
View File

@ -12,6 +12,11 @@
* @type DOMElement
*/
Tree: null,
/**
* @type Array Map of <option> values to an object of "title" and "value"
*/
OrigOptions: null,
/**
* @type Array Internal counter to create unique page identifiers prior to ajax saving
@ -19,15 +24,25 @@
NewPages: [],
onmatch: function() {
var self = this;
var self = this, typeDropdown = this.find(':input[name=PageType]');
Observable.applyTo(this[0]);
var tree = jQuery('#sitetree')[0];
this.setTree(tree);
jQuery(tree).bind('selectionchanged', function(e, data) {self.treeSelectionChanged(e, data);});
this.find(':input[name=PageType]').bind('change', this.typeDropdownChanged);
// Event bindings
jQuery(tree).bind('selectionchanged', function(e, data) {self.refresh(data.node);});
typeDropdown.bind('change', function(e) {self.refresh();});
// TODO Bind on tree initialization to set dropdown for selected node
// Store original page type options (they might get filtered to "allowed_children") later on
// TODO Better DOM element serialization (jQuery 1.4?)
var opts = {};
typeDropdown.find('option').each(function(el) {
opts[$(this).val()] = {html:$(this).html(), value: $(this).val()};
});
this.setOrigOptions(opts);
this._super();
},
@ -70,35 +85,54 @@
return false;
},
refresh: function(selectedNode) {
// Note: Uses siteTreeHints global
var tree = this.getTree(),
origOptions = this.getOrigOptions(),
dropdown = this.find(':select[name=PageType]');
if(!selectedNode) selectedNode = tree.firstSelected();
treeSelectionChanged : function(e, data) {
var selectedNode = data.node;
// Clear all existing <option> elements
// (IE doesn't allow setting display:none on these elements)
dropdown.find('option').remove();
// Find allowed children through preferences on node or globally
var allowed = [];
if(selectedNode) {
if(selectedNode.hints && selectedNode.hints.allowedChildren) {
allowed = selectedNode.hints.allowedChildren;
} else {
// Fallback to globals
allowed = siteTreeHints['Root'].allowedChildren;
}
// Re-add all allowed <option> to the dropdown
for(i=0;i<allowed.length;i++) {
var optProps = origOptions[allowed[i]];
if(optProps) dropdown.append($('<option value="' + optProps.value + '">' + optProps.html + '</option>'));
}
} else {
// No tree node selected, reset to original elements
$.each(origOptions, function(i, optProps) {
if(optProps) dropdown.append($('<option value="' + optProps.value + '">' + optProps.html + '</option>'));
});
}
// TODO Re-select the currently selected element
// Disable dropdown if no elements are selectable
if(allowed) dropdown.removeAttr('disabled');
else dropdown.attr('disabled', 'disabled');
// Set default child (optional)
if(selectedNode.hints && selectedNode.hints.defaultChild) {
this.find(':input[name=PageType]').val(selectedNode.hints.defaultChild);
dropdown.val(selectedNode.hints.defaultChild);
}
var parentID = this.getTree().getIdxOf(selectedNode);
// Set parent node (fallback to root)
var parentID = tree.getIdxOf(selectedNode);
this.find(':input[name=ParentID]').val(parentID ? parentID : 0);
},
typeDropdownChanged : function() {
var tree = this.getTree();
// Don't do anything if we're already on an appropriate node
var sel = tree.firstSelected();
if(sel && sel.hints && sel.hints.allowedChildren) {
var allowed = sel.hints.allowedChildren;
for(i=0;i<allowed.length;i++) {
if(allowed[i] == this.value) return;
}
}
// Otherwise move to the default parent for that.
if(siteTreeHints && siteTreeHints[this.value] ) {
var newNode = tree.getTreeNodeByIdx(siteTreeHints[this.value].defaultParent);
if(newNode) tree.changeCurrentTo(newNode);
}
}
});
});

8
javascript/LeftAndMain.Tree.js
View File

@ -413,10 +413,10 @@ 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 ];
if(this.className && this.className.match(/class\-([^\s]*)/)) {
var klass = RegExp.$1;
if(siteTreeHints && siteTreeHints[klass]) {
this.hints = siteTreeHints[klass];
this.dropperOptions = {
accept : (this.hints.allowedChildren && (this.className.indexOf('nochildren') == -1))
? this.hints.allowedChildren : 'none'