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3415: Show SQLite table contents

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Resize columns based on data from top 20 rows
This commit is contained in:
Raman 2018-01-30 09:50:25 -05:00
parent 3e394c0270
commit 338334f629
1 changed files with 47 additions and 12 deletions
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59
Core/src/org/sleuthkit/autopsy/contentviewers/SQLiteTableView.java
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@ -19,6 +19,7 @@
package org.sleuthkit.autopsy.contentviewers;
import java.awt.BorderLayout;
import java.awt.Component;
import java.util.List;
import java.util.Map;
import java.util.Objects;
@ -26,6 +27,8 @@ import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingWorker;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumnModel;
import org.netbeans.swing.etable.ETableColumn;
import org.netbeans.swing.etable.ETableColumnModel;
@ -70,18 +73,14 @@ class SQLiteTableView extends JPanel implements ExplorerManager.Provider {
*/
void setupTable(List<Map<String, Object>> tableRows) {
explorerManager.setRootContext(new AbstractNode(Children.create(new SQLiteTableRowFactory(tableRows), true)));
if (Objects.isNull(tableRows) || tableRows.isEmpty()) {
outlineView.setPropertyColumns();
// return;
} else {
// Set up the column names
Map<String, Object> row = tableRows.get(0);
// Get the columns setup with respect to names and sortability
String[] propStrings = new String[row.size() * 2];
int i = 0;
for (Map.Entry<String, Object> col : row.entrySet()) {
String colName = col.getKey();
@ -93,19 +92,55 @@ class SQLiteTableView extends JPanel implements ExplorerManager.Provider {
outlineView.setPropertyColumns(propStrings);
}
// TBD: Set width based on actual data in the top N rows??
// TBD: Can't seem to get the horizontal scrollbar working
for (int col = 0; col< outline.getModel().getColumnCount(); col++) {
outline.getColumnModel().getColumn(col).setMinWidth(50);
}
// Hide the 'Nodes' column
TableColumnModel columnModel = outline.getColumnModel();
ETableColumn column = (ETableColumn) columnModel.getColumn(0);
((ETableColumnModel) columnModel).setColumnHidden(column, true);
// Set the Nodes for the ExplorerManager.
// The Swingworker ensures that setColumnWidths() is called after all nodes have been created.
new SwingWorker<Boolean, Void>() {
@Override
protected Boolean doInBackground() throws Exception {
explorerManager.setRootContext(new AbstractNode(Children.create(new SQLiteTableRowFactory(tableRows), true)));
return false;
}
@Override
protected void done() {
super.done();
setColumnWidths();
}
}.execute();
}
private void setColumnWidths() {
int margin = 4;
int padding = 8;
// find the maximum width needed to fit the values for the first N rows, at most
final int rows = Math.min(20, outline.getRowCount());
for (int col = 1; col < outline.getColumnCount(); col++) {
int columnWidthLimit = 500;
int columnWidth = 50;
for (int row = 0; row < rows; row++) {
TableCellRenderer renderer = outline.getCellRenderer(row, col);
Component comp = outline.prepareRenderer(renderer, row, col);
columnWidth = Math.max(comp.getPreferredSize().width, columnWidth);
}
columnWidth += 2 * margin + padding; // add margin and regular padding
columnWidth = Math.min(columnWidth, columnWidthLimit);
outline.getColumnModel().getColumn(col).setPreferredWidth(columnWidth);
}
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always