tablecelleditor | 易学教程

How to delete a row from jtable

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问题 I want to change the action of the button to delete. I have this code: package buttonexample; import java.awt.BorderLayout; import java.awt.Component; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.*; import javax.swing.table.AbstractTableModel; import javax.swing.table.DefaultTableModel; import javax.swing.table.TableCellRenderer; import javax.swing

easy and fast JTree Cell Editor

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问题 I have a JTree with a custom TreeModel and a custom TreeRenderer. The Tree Model contains a bunch of objects of different types. One of these types is displayed differently than the others: The displayed text is a concatenation of two fields of the object. When i edit the cell, I want to update one of these fields with the edited text. So far i got it working pretty well. My Problem: It is confusing when the text, which is displayed while editing, is the complete concatenated value of 2

How to use custom JTable cell editor and cell renderer

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问题 I have created a JTable with a custom table render and custom cell editor which gives the result in the image I created the panel shown in the first table cells using a separate class which extended JPanel. and add table values as, tbl.setCellEditor(new customCell()); tbl.getColumnModel().getColumn(0).setCellRenderer(new customCell()); DefaultTableModel dtm = (DefaultTableModel) tbl.getModel(); Vector v = new Vector(); v.add(new Panel()); v.add("Test"); dtm.addRow(v); v.clear(); v.add(new

How to make a JComboBox table editor have the design of an ordinary JComboBox?

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问题 I have a JComboBox used as an editor in a JTable . In the picture you can see them in the column labeled Produs . I would like to use the design of the stand-alone JComboBox in the grid cells, particularly the right part of the combo box where the triangle is missing from the grid cells, so a user will know that the grid cells are combo boxes without having to click on one of them. How can I apply the design of the JComboBox ( IsBackFlush ) to the JComboBoxes in the grid? Essentially, how can

How to implement dynamic GUI in swing

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First of all, apologies for posting something perhaps a bit excessively specific, but I'm not very experienced with Swing, and can't seem to find good examples that fit my needs. So I'm trying to figure out the best way to implement the a dynamic GUI for choosing filtering criteria in Swing: The underlying model is a class containing a list of criteria that can be negated (i.e. applied with a NOT-prefix), and a property indicating whether these should be combined with AND or OR. The GUI would allow the user to add, change or remove criteria, and select the combination operator (and/or). The

Progress Bar Java

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问题 I am using JProgressBar to show progress. But, How to show the progressBar as loading from 0 to 100? I got the code from internet and its working except the progressBar is not loading. code progressFrame = new JFrame(); // frame to display progress bar progressBar = new JProgressBar(0,100); progressBar.setValue(0); progressBar.setStringPainted(true); progressFrame.add(progressBar); new SwingWorker<Void,Void>() { protected Void doInBackground() throws SQLException, ClassNotFoundException {

How to mark JTable cell input as invalid?

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问题 If I take a JTable and specify a column\'s classtype on it\'s model as follows: DefaultTableModel model = new DefaultTableModel(columnNames, 100) { @Override public Class<?> getColumnClass(int columnIndex) { return Integer.class; }}; Then whenever a user tries to enter a double value into the table, Swing automatically rejects the input and sets the cell\'s outline to red. I want the same effect to occur when someone enters a \'negative or 0\' input to the cell. I\'ve got this: @Override

How to maintain JTable cell rendering after cell edit

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问题 You guys were so awesome in point me in the right direction on my last question and I have sort of an extension of my original question here: How to set a JTable column as String and sort as Double? As I now have my price column formatted as $###,##0.00 by using my custom cell renderer, I have now set up a JTextField Editor for the cell as well. The editing of the cell works just fine except for when the value is updated, the number format set in my custom renderer no longer seems to format

How do I get the CellRow when there is an ItemEvent in the JComboBox within the cell

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问题 I have a JTable with a column containing a JComboBox. I have an ItemListener attached to the JComboBox which acts upon any changes. However, ItemListener does not have a method for obtaining the Row that the changed ComboBox is within. I need to Row number in order to act upon another column in the same row when the ComboBox has a change. Any help would be appreciated. This is my Short and Concise code. What I am trying to accomplish, is obtaining the Table Row of the ComboBox when a the