JTree 1 « JTree « Java Swing Q&A
1. Java - Problem in JTree stackoverflow.com
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2. JTree check for duplicate categories stackoverflow.comI'm trying to generate a JTree based on a database result set. I get |
3. creating a JTree from a heap stackoverflow.comSetupI have a heap with intLevels levels and e elements (both ints) stored in a 2D array of Objects, heapArray, which is intLevels tall and Math.pow(2, intLevels) wide. For hypothetical purposes, ... |
4. Java Swing JTree is not garbage collected stackoverflow.comThe following demo app creates a JFrame with a JInternalFrame (MDI interface). The internal frame features a JTree, with a JTree model. To simulate a large model, a 10MB buffer is ... |
5. How to add gaps to a JTree stackoverflow.commy problem is this I'm trying create a component that displays two tree side by side. The two trees will generally be very similar but will probably have one or two differences. ... |
6. How can I reset a JTree? stackoverflow.comI'm currently working with JTree, more precisely with CheckBoxTree, an inherited class created by JIDE. I need to find a way to reset the tree, meaning :
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7. How to create inverted JTree in Java? stackoverflow.comActually I'm interested to create an inverted |
8. How I Show Windows Registry in jTree? stackoverflow.comI am using java swing.I want to show windows registry in jTree how it is possible.I am new in java please give me a solution.Actually i want to delete a particular ... |
9. JTree does not show up stackoverflow.comWhy the JTree does not show up? Here is my code: |
10. JTree: Can someone figure out that whats wrong with this Code stackoverflow.comI am developing a small desktop application in Net beans. I drag and drop a |
11. BinaryTree to JTree? stackoverflow.comI am trying to convert a BinaryTree which is made of Nodes into a JTree for a GUI view. I figure this is the pseudo-code I need: |
12. Horizontally flipping a JTree stackoverflow.comI want to visualize a set of linked objects by focusing on one element and showing all referenced objects and descendants in a tree to the right. That's business as usual. But ... |
13. JTree Help bytes.comIn java, How to make a class identify its method when more than one class is present. Thats suppose i have 4 classes namely class1,class2,class3 & class4 and i have one ... |
14. JTree Tutorial in Netbeans for Newbie! forums.netbeans.orgAdd this code in the default generated code near init components. example: jTree1<-Components Name. initComponents(); // JTree Customization node DefaultMutableTreeNode rootnode = new DefaultMutableTreeNode("Fruits"); DefaultTreeModel treeModel = new DefaultTreeModel(rootnode); jTree1.setModel(treeModel); // ... |
15. Using JTrees forums.netbeans.orgHello, I'm trying to use JTree and I'm facing a difficulty. So far, I have succeeded in creating the tree and adding nodes to it. The difficulty arises when I want to remove the selected nodes from the tree. I'm able to retrieve, from the DefaultTreeModel extracted from the JTree, the content of the selection, either as an array of int ... |
16. Using JTree in JBuilder 3 coderanch.com |
17. I'm looking for JTree examples coderanch.com |
18. JTree coderanch.com |
19. JTree coderanch.com |
20. JTree-Multipleselection of childnodes coderanch.com |
21. JTree.setExpandsSelectedPaths(boolean) coderanch.com |
22. jtree in swing applet coderanch.com |
23. JTree coderanch.com |
24. JTree coderanch.com |
25. Is there Anyone Cook on a JTree wake me up! coderanch.comHi There, I am designing a tree just like the windows Explorer. Here the objects that i have to add to the nodes are dynamicall generated from another program and stored in the Vector. I have to check each object, if it has a parent or not. If it has than i have to add that node to coressponding parent just ... |
26. JTree coderanch.com |
27. JTree Porblem ! Pl help! coderanch.comdear all, we have a jtree used to display file hierarchy in our application. The root of the tree is "XYZ" node. The user can add and delete nodes. Now the problem is when all the nodes are deleted (except XYZ) , XYZ becomes the leaf node and looks like file instead of directory. Is there any way to let XYZ ... |
28. JTree coderanch.com |
29. JTrees in AWT coderanch.com |
30. JTree - guys & gals - plz help !!! coderanch.com |
31. URGENT!!! for my project..HELP ON JTree!!! coderanch.com |
32. JTree coderanch.com |
33. JTree and Floppy Drive coderanch.com |
34. JTree coderanch.com |
35. JTree coderanch.com |
36. JTree problem on Sun machine coderanch.com |
37. Organogram using JTree coderanch.comHi there. I am new to Java and am running out of time to complete projects for my company. I need to display the company position structure using a JTree in an applet. The data would be retrived from numerous tables in a database but I would prefer if data were retrieved as and when needed, possibly 2 'node-levels' at a ... |
38. JTree coderanch.com |
39. About JTree coderanch.com |
40. JTree coderanch.com |
41. JTree question coderanch.com |
42. Quick JTree Question... coderanch.comHello: Is there a way to set a treeNode that does not currently contain any childern with the closedFolderIcon instead of the leafIcon? Example: If I created a node that allows childern, but is currently empty, I would like to display this node with the closedFolderIcon. This would be similar to an empty directory within a file system. I plan on ... |
43. JTree setFocus() coderanch.com |
44. JTREE Table Problem coderanch.comHello folks, I am doing some enhancements to the sample program taken from sun site. URL : http://java.sun.com/product/jfc/tsc/articles/bookmark/index.html In the example only first two columns are editable. I wish to do the following enhancements. 1. I want to make all the cells editable. 2. To apply listeners for each individual cells. This would help me in doing some modifications to other ... |
45. JTree and indent coderanch.com |
46. problem with handles in JTree coderanch.com |
47. JTree Problem coderanch.com |
48. JTree in JOptionPane coderanch.com |
49. storing a UserPreferences for JTree coderanch.comHello all i want to store a userpreferences for jtree in which i will have to show which were the last opened nodes and selected nodes..how do i do that ? i have stored a opennodes in xml files while retriving how do i show a tree with open nodes...has anybody had done that...... pls let me know it is very ... |
50. Jtree Help coderanch.comHello Everyone, I am stuck with a requiremnt where by I have to show a directory structure in a tree format however the each directory or a file has a unique number with which it is recognised. Now how do I set a different export value for each node or a directory . Please help me out as it is very ... |
51. JTree Scalablity ??? coderanch.com |
52. JTree DropTargetListener not working coderanch.com |
53. Jtree Ugly Look coderanch.com |
54. advantage of jtree with JAXP coderanch.com |
55. prevent + sign to vanish in JTree coderanch.comI have a jtree which is created on 'As needed' basis. i.e, when the user expands the particular node, I make a database call in TreeWillExpandListener and add the children to their parent. Say, the user has clciked on the + sign besides the node and at that point of time the database is down and I get an exception. when ... |
56. JTree coderanch.com |
57. JTree.putClientProperty() problem.... coderanch.com |
58. For anyone who cares - A JTree Solution coderanch.comI have been battling with something regarding JTree's, Renderers, Tooltips, etc. My initial design and problem was the way in which I was bulding my Tooltip. I was using the setToolTip method in my Custom Renderer class. Basically I had a method that requested all the information from the database, returned a String (the tooltip) and passed that string to the ... |
59. JTree reload question, AGAIN coderanch.comOk, this question has been asked mutliple times in different varients and forms. So here goes my version because after searching Javaranch and google for 2 days, I can't seem to find a valid answer. I have a JTree. I build the Tree through a DefaultTreeModel which I have over-ridden. All my values in the Tree come from a databse. Each ... |
60. JPopup and JTree Problem coderanch.comThe problem is in your popup class... You shouldn't be passing a JTree in, you should be passing TreePro... A new treepro instance is getting created in the popup constructor, so when you add, you are adding to the invisible TreePro constructed there... Here's a fixed popup class: ///////////////////////////////////////////////////////////// //class which Make popup Menu import java.awt.event.*; import javax.swing.*; import java.awt.*; import ... |
61. JTree coderanch.com |
62. using Jtree in Jbuilder 8 coderanch.com |
63. Jtree problem coderanch.com |
64. Questions about JTree coderanch.com |
65. JTree Problem coderanch.com |
66. JTree coderanch.com |
67. JTree key/value pairs coderanch.comWell, I figured it out....but man it took a while. For those interested, here's what I did: tree.addTreeSelectionListener(new TreeSelectionListener() { public void valueChanged(TreeSelectionEvent e) { DefaultMutableTreeNode node = (DefaultMutableTreeNode)tree.getLastSelectedPathComponent(); if(node == null) return; Object obj = node.getUserObject(); KeyValuePair kvp = (KeyValuePair)obj; System.out.println(kvp.getKey()); } }); Then I set the tree cell renderer to TreeCellRendererEx which looks like: import java.awt.Component; import javax.swing.tree.*; import ... |
68. Jtree - message becomes blurry when scrolls coderanch.com |
69. Associating JTree to Document coderanch.com |
70. JTree coderanch.com |
71. JTree ------odd thing coderanch.comhi everyone. i have two frame ,one called 'firstFrame' and one called 'controlFrame'. they are both hold a Jtree. when you selected a leaf node in the controlFrame, it will invoke the method addNode(path,name) to add a new node in the firstFrame. But as you will see, it insert the node into the controlFrame. first, excute CreateData to get the file ... |
72. JTree --HELP!!!!!!!! coderanch.com |
73. Question regarding JTree coderanch.com |
74. JTree and JSpinner (Beginner) coderanch.comHi Eric, thank you for your reply. I've found another way to realise what I wanted. Now I simply add one spinner (or more) in front of the tree, so that it is not really inserted but shown at the right coordinates. By this, I can keep the label of the branch/leaf and see the spinner. Works perfect until now. --Verena ... |
75. Empty JTree in jre1.3.X coderanch.com |
76. Problems using JTree and JTabbedPane coderanch.comI suspect this is an elementary problem, but I haven't found the solution yet. I'm working on a GUI consisting of a JTree on the left side of the frame and one of three tabbed panes in the center. Which of the three is displayed depends on which JTree node is selected. The tabbed pane occupies a panel which has been ... |
77. Help on Jtrees coderanch.comHi i need help with JTrees.. I have deitel's Java how to program 4th ed, but it does not hyave any discussion on JTrees.. Please help.. The specs of the tree i have to create are it has to be a three-level tree, the third level consists only of leaf nodes, the second level consists only of folders, the first level ... |
78. JTree coderanch.comI too need to do something like that.. how do I get this value and the index of it, so that I can add more children to it if it is equal to my value?? For example, I have a Vector with objects that have 3 values like Vector(0) = Obj1 where Obj1(0)=C1, Obj1(1)=F1, Obj1(2)=S1 Vector(1) = Obj2 where Obj2(0)=C1, Obj2(1)=F1, ... |
79. JTree help needed coderanch.com |
80. Using JTree coderanch.com |
81. I need help in JTree urgent coderanch.com |
82. need help with jTree isNodeAncestor() coderanch.comisNodeAncestor keeps returning false even though the value I pass in is an an ancestor node... here is what i am doing: 1. read a key from a HashMap and create a new node 2. before adding the new node (child) to the current node (node), I want to make sure that it is not an ancestor (parent or grandparent, etc..) ... |
83. Any tips on how to generate a huge jTree without getting a StackOverflowError? coderanch.comHi, Its not an infinite loop, but it is a loop that runs for a long time.. it seems like the VM thinks the loop has been running too long and throws the error. The problem is that there are multiple ways to get to a single page, so various branches will include that page and any of its children. I ... |
84. URGENT :- Creating JTree coderanch.comWhile I see the difference between the two pieces (the constructor called is moved, I know), the reason for the difference is not apparent from the code because as I have said, the use and type of the node variable is still not clear. I see you are calling node.add(), but I still don't see where else it is used in ... |
85. I am lost , Help Me Please ...JTree coderanch.comWritten in j2se 1.5 and uses autoboxing and generics. To compile in earlier versions comment/uncomment the indicated lines. import java.awt.*; import java.util.*; import java.util.List; import javax.swing.*; import javax.swing.tree.*; public class NodeIndexing { public NodeIndexing() { int[] nodeIndices = { 5, 2, 0, 4, 7, 8, 6, 3, 1 }; int[] parentIndices = { 4, 6, -1, 0, 0, 5, 3, 1, ... |
86. Drastic jTree customization? coderanch.comCan anyone direct me to examples or tutorials on drastic jTree customization? Editing the icons is easy enough, but I also want to be able to edit the lines that are drawn between the nodes. I would like to substitute a graphic in for the line, if possible. Any examples that do this or more would be great, thanks! |
87. Help with Jtree coderanch.com |
88. Help with Jtree coderanch.comimport java.awt.*; import java.awt.image.BufferedImage; import java.io.*; import java.net.*; import javax.imageio.ImageIO; import javax.swing.*; import javax.swing.tree.*; public class TreeIcons { public TreeIcons() { JTree tree = getTree(getIcons()); tree.setCellRenderer(new CritterRenderer()); JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.getContentPane().add(new JScrollPane(tree)); f.setSize(400,400); f.setLocation(200,200); f.setVisible(true); } private JTree getTree(ImageIcon[] icons) { String[] critters = { "bird", "rabbit" }; int[] indices = { 0, 1, 1, 0, 1, 0, ... |
89. how to use JTree? coderanch.comYou will need to use the File class to discover the names of the files on the desktop, and then just create JTreeNode instances for them as normal. The files on the desktop live (under Windows 2000/XP) in three different locations: C:\Documents and Settings\yourusername\Desktop C:\Documents and Settings\Default User\Desktop C:\Documents and Settings\All Users\Desktop Create a File instance with one of these paths ... |
90. JTree problem coderanch.com |
91. JTree problem coderanch.com |
92. JTree - collapsePath issue coderanch.comI couldn't get your method to generate the exception you sited. Since the exception seems to have started with the 'collapsePath' call I would slip in a println statement to inspect what is coming into its test statement if( !prmNdPath.equals( expdPath ) ) { System.out.println("prmNdPath = " + prmNdPath + "\n" + "expdPath = " + expdPath); this.collapsePath( expdPath ); import ... |
93. How to design interactive JTree coderanch.com |
94. JTree getSelectionCount() always 0 coderanch.com |
95. what's wrong with my jtree code ? coderanch.comhi, good day , i have problem on display Jtree in my application, below is my sample code import javax.swing.tree.DefaultMutableTreeNode; public class NewJPanel extends javax.swing.JPanel { /** Creates new form NewJPanel */ public NewJPanel() { initComponents(); } private class BookInfo { public String bookName; public URL bookURL; public BookInfo(String book, String filename) { bookName = book; bookURL = TreeDemo.class.getResource(filename); if (bookURL ... |
96. JTree collapses when reloaded (open problem) coderanch.comI'm trying to reload a part of the jtree, where the node value has been changed (suppose the tree represents directory structure and the some file name has been modified under the root directory). The problem is that, each time I reload it, the tree collapses. I have an utility function to expand the tree but the problem is that the ... |
97. JTree -> JLabel problem with ellipsis coderanch.comHi there! I've got a problem with tree node rendering. Initially the JTree is constructed and drawn with several bold node titles, lately I need to change a bold font to a normal one but after I do this in the custom renderer all recently bold nodes become cut down with ellipsis. It is very strange coz bold text is supposed ... |
98. Problem related to JTree coderanch.com |
99. JTree help coderanch.comSince the tree is using a DefaultTreeModel and is editable the default editor is DefaultTreeCellEditor. See the discussion section of this class for the two gestures that trigger editing. Use of the popupMenu button makes three. Press the "enter" key after the edit to save the new value to the model. import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.tree.*; public class ... |
100. JTree focuslistener problem coderanch.comHi, I have posted this topic once but I didnt receieve any reply. So I am posting it again . I want to add focuslistener to each tree node so that we focus gets lost from particular tree node I want to validate information associated with it. So I hope reply this time... Any alternative solution to this other than focuslistener...?? ... |
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