tablecellrenderer

问题 In swing application, I am using DefaultTableCellRenderer to flash the table cell when the cell time is equal to system time. I wrote if statement to compare cell time with hh:mm , If both time are equal, time cells backgroung will blink on the table rows. It is blinking 60 secs only still if statement is true, But i want to continue blinking same cell after false if statement. I got the position value of blinking cell like (0,2) and (1,2). from this integer, how can i set continues blink

问题 I want to render a swing table adjusting the row's height, depending on how much text is displayed in a column so that all the text is shown in the cell. The problem is that when I set the height to the row an infinite loop is created. How could I solve it? This is my renderer final class RenderTextAreaMessage extends DefaultTableCellRenderer { JTextArea textareaMessage; @Override public Component getTableCellRendererComponent(JTable aTable, Object aNumberValue, boolean aIsSelected, boolean

问题 I am new to Java. I have created a JTable . This is how addRow method works when I try to add a row to the table. private void addTableRow(String type, String name, String rank, String notes, String location, Color color) { boolean isExport = isExportEnable(); tableModel.addRow(new Object[] { type, name, rank, notes, location, isExport }); } When adding the row I want to fill a different color for the column index 6. I created a custom table cell renderer. public Component

问题 I am looking for how to change the color of some rows in my JTable which have index in an integer vector called Notfoundrow , but the problem that I have as result all the rows in the Table change color to Red !! Here is my code : package essai_trafficclass; import java.awt.Color; import java.awt.Component; import java.util.ArrayList; import javax.swing.JTable; import javax.swing.table.DefaultTableCellRenderer; public class MonCellRenderer extends DefaultTableCellRenderer { public static

问题 So I have a JTable with check-boxes. I would like to have the check-boxes contain one image when they are "checked" and another image when they are "unchecked" (i.e., display images instead of a checked or unchecked box). Is there a way to do this? I've tried fooling with the TableCellRenderer that returns a JLabel with an ImageIcon but it was not really very effective. More specifically, when the box is checked or unchecked the right images are there, but when the user is changing the check

问题 i want to color my table cells according to the Value in Column 1, if the values isn´t equal to the value in Column 1 the color should be cyan, but my code doesnt work: table = new JTable(){ public TableCellRenderer getCellRenderer(int row, int column) { TableCellRenderer tcr=null; Color c; if(column>=1&&getValueAt(row, column)!=null &&getValueAt(row, 1)!=null &&!getValueAt(row, column).equals(getValueAt(row, 1))) c=Color.CYAN; else c=Color.white; if(getValueAt(row, column) instanceof Boolean

问题 So I'm trying to retrieve text and a blob(image) from a database inside a jtable in a nice way. For some reason, whenever I try to retrieve the blob I get this: java.io.ByteArrayInputStream@1cb63183 in every other column, although I've specified that the blob is on the 8th ! here is a screenshot: http://s24.postimg.org/t71o3izlh/Screen_Shot_2016_01_28_at_1_26_55_PM.png Here is my code sql = "SELECT * FROM Products"; ResultSet rs = stmt.executeQuery(sql); ResultSetMetaData rsmd = rs

问题 I'm trying to create a table and color specific cells either yellow, red or white, depending on the content of other columns. For that I am looping through the rows filling in the values and then checking on the contents. that works just fine for every row that is currently displayed on the screen, however when the program reaches rows that are not displayed or if the user try's to scroll every cell changes its backgroundcolor back to white. I have searched the web for solutions and the only

问题 I want to add JComboBox inside a JTable (3,3) on column 1. But in the column 1 , each row will have its own set of ComboBox element. When I tried to use table.getColumnModel().getColumn(1).setCellEditor(new DefaultCellEditor(comboBox_Custom)); Each row is being set to same set of ComboBox Values. But I want each row ComboBox has different items. 回答1: example on java2s.com looks like as works and correctly, then for example (I harcoded JComboBoxes for quick example, and add/change for todays

问题 I have added multiple JProgressBar to TableColumn of JTable . I am updating all the JProgressBar with data after making certain calculations, but only the last ProgressBar (in this case ProgressBar progressObj4 ) which is added is getting updated. How can I update all the ProgressBar s? The basic requirement is that I am displaying the status of file in progress bar while uploading . Currently I am hardcoding 4 progress bars to test if all the progress bars are getting update wrt the status