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Merge pull request #2525 from chillu/pulls/tree-node-parent-refresh

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Load tree parent nodes if non-existant
This commit is contained in:
Andrew Short 2013-10-11 07:37:31 -07:00
commit 024d46ceb5
3 changed files with 47 additions and 22 deletions
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1
admin/css/screen.css
View File

@ -847,6 +847,7 @@ li.class-ErrorPage > a .jstree-pageicon { background-position: 0 -112px; }
.cms-tree.multiple li > a > .jstree-icon { display: none; }
.cms-tree.multiple li > a > .jstree-icon.jstree-checkbox { display: inline-block; }
.cms-tree.multiple li#record-0 > a .jstree-checkbox { display: none; }
.cms-tree.jstree-loading li#record-0 > .jstree-icon { background: url(../images/throbber.gif) top left no-repeat; }
.cms-tree a.jstree-loading .jstree-icon { background-image: none !important; }
.cms-tree a.jstree-loading .jstree-pageicon { background: url(../images/throbber.gif) top left no-repeat; }

58
admin/javascript/LeftAndMain.Tree.js
View File

@ -46,8 +46,7 @@
.jstree(this.getTreeConfig())
.bind('loaded.jstree', function(e, data) {
self.setIsLoaded(true);
self.updateFromEditForm();
self.css('visibility', 'visible');
// Add ajax settings after init period to avoid unnecessary initial ajax load
// of existing tree in DOM - see load_node_html()
data.inst._set_settings({'html_data': {'ajax': {
@ -62,6 +61,9 @@
}
}}});
self.updateFromEditForm();
self.css('visibility', 'visible');
// Only show checkboxes with .multiple class
data.inst.hide_checkboxes();
})
@ -239,7 +241,7 @@
* Creates a new node from the given HTML.
* Wrapping around jstree API because we want the flexibility to define
* the node's <li> ourselves. Places the node in the tree
* according to data.ParentID
* according to data.ParentID.
*
* Parameters:
* (String) HTML New node content (<li>)
@ -248,7 +250,7 @@
*/
createNode: function(html, data, callback) {
var self = this,
parentNode = data.ParentID ? self.find('li[data-id='+data.ParentID+']') : false,
parentNode = data.ParentID ? self.getNodeByID(data.ParentID) : false,
newNode = $(html);
this.jstree(
@ -281,9 +283,9 @@
updateNode: function(node, html, data) {
var self = this, newNode = $(html), origClasses = node.attr('class');
var nextNode = data.NextID ? this.find('li[data-id='+data.NextID+']') : false;
var prevNode = data.PrevID ? this.find('li[data-id='+data.PrevID+']') : false;
var parentNode = data.ParentID ? this.find('li[data-id='+data.ParentID+']') : false;
var nextNode = data.NextID ? this.getNodeByID(data.NextID) : false;
var prevNode = data.PrevID ? this.getNodeByID(data.PrevID) : false;
var parentNode = data.ParentID ? this.getNodeByID(data.ParentID) : false;
// Copy attributes. We can't replace the node completely
// without removing or detaching its children nodes.
@ -346,8 +348,22 @@
updateNodesFromServer: function(ids) {
if(this.getIsUpdatingTree() || !this.getIsLoaded()) return;
var self = this, includesNewNode = false;
var self = this, i, includesNewNode = false;
this.setIsUpdatingTree(true);
self.jstree('save_selected');
var correctStateFn = function(node) {
// Duplicates can be caused by the subtree reloading through
// a tree "open"/"select" event, while at the same time creating a new node
self.getNodeByID(node.data('id')).not(node).remove();
self.jstree('deselect_all');
self.jstree('select_node', node);
// Similar to jstree's correct_state, but doesn't remove children
var hasChildren = (node.children('ul').length > 0);
node.toggleClass('jstree-leaf', !hasChildren);
if(!hasChildren) node.removeClass('jstree-closed jstree-open');
};
// TODO 'initially_opened' config doesn't apply here
self.jstree('open_node', this.getNodeByID(0));
@ -367,15 +383,6 @@
return;
}
var correctStateFn = function(node) {
self.jstree('deselect_all');
self.jstree('select_node', node);
// Similar to jstree's correct_state, but doesn't remove children
var hasChildren = (node.children('ul').length > 0);
node.toggleClass('jstree-leaf', !hasChildren);
if(!hasChildren) node.removeClass('jstree-closed jstree-open');
};
// Check if node exists, create if necessary
if(node.length) {
self.updateNode(node, nodeData.html, nodeData);
@ -384,9 +391,20 @@
}, 500);
} else {
includesNewNode = true;
self.createNode(nodeData.html, nodeData, function(newNode) {
correctStateFn(newNode);
});
// If the parent node can't be found, it might have not been loaded yet.
// This can happen for deep trees which require ajax loading.
// Assumes that the new node has been submitted to the server already.
if(nodeData.ParentID && !self.find('li[data-id='+nodeData.ParentID+']').length) {
self.jstree('load_node', -1, function() {
newNode = self.find('li[data-id='+nodeId+']');
correctStateFn(newNode);
});
} else {
self.createNode(nodeData.html, nodeData, function(newNode) {
correctStateFn(newNode);
});
}
}
});

6
admin/scss/_tree.scss
View File

@ -596,6 +596,12 @@ a .jstree-pageicon {
}
}
&.jstree-loading {
li#record-0 > .jstree-icon {
background: url(../images/throbber.gif) top left no-repeat;
}
}
// Show the loading indicator on the page icon rather than the default
// jstree icon (which is only used for its dragging handles)
a.jstree-loading{