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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.consolelog.structures;
import org.eclipse.linuxtools.systemtap.ui.consolelog.internal.ConsoleLogPlugin;
import org.eclipse.linuxtools.systemtap.ui.editor.SimpleEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
/**
* A class push data to a ScriptConsole.
* @author Ryan Morse
*/
public class ErrorTableDisplay {
public ErrorTableDisplay(Composite parent, String[] titles) {
this.titles = titles;
createControl(parent);
}
/**
* Creates the table for displaying error messages in.
* @param parent The container for the new error table.
*/
public void createControl(Composite parent) {
table = new Table(parent, SWT.SINGLE);
table.setHeaderVisible(true);
table.getVerticalBar().setVisible(true);
table.setLinesVisible(true);
table.addMouseListener(mouseListener);
TableColumn column;
for(int i = 0; i < titles.length; i++) {
column = new TableColumn(table, SWT.NONE);
column.setText(titles[i]);
}
updateColumns();
}
/**
* Clears all items from the table.
*/
public void clear() {
table.getDisplay().syncExec(new Runnable() {
boolean stop = false;
public void run() {
if(stop) return;
try {
table.removeAll();
} catch (Exception e) {
stop = true;
}
}
});
}
/**
* Adds a new row to the table with an error icon.
* @param row The pre-divied sections of the error message.
*/
public void addRow(final String[] row) {
addRow(row, ConsoleLogPlugin.getImageDescriptor("icons/views/error_st_obj.gif").createImage());
}
/**
* Adds a new row to the table.
* @param row The pre-divied sections of the error message.
* @param img The image to display with the error.
*/
public void addRow(final String[] row, final Image img) {
table.getDisplay().syncExec(new Runnable() {
boolean stop = false;
public void run() {
if(stop) return;
try {
item = new TableItem(table, SWT.NULL);
for(int i=0; i<row.length; i++)
item.setText(i+1, row[i]);
item.setImage(img);
updateColumns();
} catch (Exception e) {
stop = true;
}
}
});
}
/**
* Updates each of the columns in the table to ensure that the entries all fit
* as well as possible.
*/
private void updateColumns() {
TableColumn[] columns = table.getColumns();
for (int i = 0; i < columns.length; i++) {
columns[i].pack();
columns[i].setMoveable(true);
}
}
public Control getControl() {
return table;
}
/**
* Disposes of all internal references in the class. No method should be called after this.
*/
public void dispose() {
if(null != table && !table.isDisposed()) {
table.removeMouseListener(mouseListener);
table.dispose();
table = null;
}
if(titles != null)
for(int i=0; i<titles.length; i++)
titles[i] = null;
titles = null;
if(null != item)
item.dispose();
item = null;
}
/**
* MouseListener that is used to detect when the user clicks on a row in the table.
* When clicked it will find the line number the error occured on and then set the
* cursor location to that location in the active editor.
*/
private final MouseListener mouseListener = new MouseListener() {
public void mouseDown(MouseEvent me) {}
public void mouseUp(MouseEvent me) {}
public void mouseDoubleClick(MouseEvent me) {
try {
String location = table.getSelection()[0].getText(4);
if(location.length() > 0) {
int line = 0;
if(location.indexOf(':') > 0) {
String[] pos = location.split(":");
line = Integer.parseInt(pos[0]);
} else
line = Integer.parseInt(location);
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IEditorPart ed = page.getActiveEditor();
if(ed instanceof SimpleEditor) {
SimpleEditor editor = ((SimpleEditor)ed);
editor.selectLine(line);
editor.setFocus();
}
}
} catch(Exception e) {}
}
};
private Table table;
private String[] titles;
private TableItem item;
}
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