treemodel

问题 I need to clone a tree I made using TreeModel.js. What I exactly need to do is duplicating it, make changes to it and check if the number of nodes decreased. If it did, revert to the original tree. Here's a small example of what I do so far to duplicate it, which is not correct: var tree = new TreeModel(); var root = tree.parse({ id: 0, name: "Root", children: [{id: 1, name: "1", children: []},{id: 2, name: "2", children: []}] }); console.log(root) var dup = tree.parse(root) console.log(dup)

问题 I need to clone a tree I made using TreeModel.js. What I exactly need to do is duplicating it, make changes to it and check if the number of nodes decreased. If it did, revert to the original tree. Here's a small example of what I do so far to duplicate it, which is not correct: var tree = new TreeModel(); var root = tree.parse({ id: 0, name: "Root", children: [{id: 1, name: "1", children: []},{id: 2, name: "2", children: []}] }); console.log(root) var dup = tree.parse(root) console.log(dup)

问题 I'm catching the "edited" signal of my GtkCellRenderer: GtkTreeModel * sortmodel; // contains a sorted model of GtkListStore // ... GtkCellRenderer * renderer; // ... g_object_set(renderer, "editable", TRUE, NULL); g_signal_connect(renderer, "edited", G_CALLBACK(onEdited_name), sortmodel); I'd now like to change the content of the cell accordingly, but I don't find any function, that would change the content of a cell of a GtkTreeModel. void onEdited_name(GtkCellRendererText *cell, gchar *

问题 I have some questions regarding a treemodel in Java. For the last 13 weeks in class we've been developing a contact manager. This contact manager has various components: a contact can either be a business contact or personal contact, and each has their own set of events. They also have addresses, social networks, and phone numbers. Last assignment we had to read information from an outside txt file and implement it in our project. That went fine. Now he wants us to build a treeModel out of

问题 In MVC 4 i use jstree. In create operation I have not problem. But in Edit operation, I set true value to some items of treemodel. models are like: public class RecursiveObject { public string data { get; set; } public Int64 id { get; set; } public FlatTreeAttribute attr { get; set; } public List<RecursiveObject> children { get; set; } } public class FlatTreeAttribute { public string id; public bool selected; } When I fill tree model, i set selected = true; to some items and use this in view:

问题 I need to bind a Hashmap to a MutableTreeNode so that I can display that in a JTree . I have the following code: static Map<String, String> form = new LinkedHashMap<String,String>(); I guess this is how I need to implement MutableTreeNode . I just don't know how to procees now to get the Key's of "form" to show up in the MutableTreeNode . public class MyNode implements MutableTreeNode { @Override public Enumeration children() { // TODO Auto-generated method stub return null; } @Override

问题 I am using a DefaultTreeModel populated with an override of DefaultMutableTreeNode which supports optionally changing the display string of a node in a tree. As shown in the code below, in my form I populate the tree with new nodes by creating them in a separate class and then passing them in via a wrapper class for my main data type. The procedure there is to create a new overridden DefaultMutableTreeNode , add children to it (each AccessPoint is represented by a node with several child

问题 Do i really have to implement the deep-clone myself or are there any library methods to get a deep clone of an JTree or it's TreeModel? 回答1: As said by @SteveKuo, why do you need to clone a TreeModel ? TreeModel can be shared amongst different instances of JTree . Here is a sample demo of two JTree's sharing the same model. Alternatively, you could create twice the same TreeModel : import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import

问题 Is there perhaps a way in which you can convert a TreeModel to a JSON string. That way it can be stored and then later recreated using tree.parse() ? Currently when attempting JSON.stringify(root) it gives an obvious error about cyclic references (because children contain parents and parents contain children). 回答1: Use JSON.stringify(root.model) instead. 来源： https://stackoverflow.com/questions/30193137/transforming-a-tree-back-to-json-using-tree-model-js

问题 I am using dom4j to create a DocumentTreeModel from a dom4j document. I display this DocumentTreeModel inside JScrollPane . I have a button that adds a new node to the dom4j document, and recreates the DocumentTreeModel I am using getPathForRow but this seems pretty limited. I need to be able to work with multiple tree depth. Basically looking for something like tree.getPathOfLastModifiedChildrensParent() onAddNewNodeButtonClickEventFired { dom4jdocument.addElement( "1" ); tree.setModel(new