Java tutorial
/****************************************************************************** * Copyright (c) 2007 g-Eclipse consortium * 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 * * Initial development of the original code was made for * project g-Eclipse founded by European Union * project number: FP6-IST-034327 http://www.geclipse.eu/ * * Contributor(s): * PSNC - Katarzyna Bylec * *****************************************************************************/ package eu.geclipse.jsdl.ui.internal.wizards; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.window.Window; import org.eclipse.swt.widgets.TableItem; import eu.geclipse.jsdl.ui.internal.dialogs.MultipleInputDialog; import eu.geclipse.ui.widgets.TabComponent; /** * Table to keep ranges for JSDL resources */ @SuppressWarnings("unchecked") public class JSDLRangesTab extends TabComponent { /** * Creates new instance of this class * * @param contentProvider content provider for table viewer * @param labelProvider label provider for table viewer * @param columnsProperties headers for table * @param hight hight of this control * @param width width of collumn in table */ public JSDLRangesTab(final IStructuredContentProvider contentProvider, final ITableLabelProvider labelProvider, final List<String> columnsProperties, final int hight, final int width) { super(contentProvider, labelProvider, columnsProperties, hight, width); } @Override protected void handleAddButtonSelected() { MultipleInputDialog dialog = new MultipleInputDialog(getShell(), Messages.getString("JSDLRangesTab.new_value")); //$NON-NLS-1$ dialog.addTextField(Messages.getString("JSDLRangesTab.range_start"), null, false); //$NON-NLS-1$ dialog.addTextField(Messages.getString("JSDLRangesTab.range_end"), null, false); //$NON-NLS-1$ if (dialog.open() != Window.OK) { return; } String start = dialog.getStringValue(Messages.getString("JSDLRangesTab.range_start")); //$NON-NLS-1$ String end = dialog.getStringValue(Messages.getString("JSDLRangesTab.range_end")); //$NON-NLS-1$ try { Range range = new Range(Double.valueOf(start).doubleValue(), Double.valueOf(end).doubleValue()); addVariable(range); } catch (IllegalArgumentException exc) { MessageDialog.openError(getShell(), Messages.getString("JSDLRangesTab.bad_range_format"), //$NON-NLS-1$ Messages.getString("JSDLRangesTab.bad_range_format")); //$NON-NLS-1$ } } @Override protected void handleEditButtonSelected() { IStructuredSelection sel = (IStructuredSelection) this.table.getSelection(); Range var = (Range) sel.getFirstElement(); if (var == null) { // do nothing; } else { String oldStart = Double.valueOf(var.getStart()).toString(); String oldEnd = Double.valueOf(var.getEnd()).toString(); MultipleInputDialog dialog = new MultipleInputDialog(getShell(), Messages.getString("OutputFilesTab.edit_output_file_settings_dialog_title")); //$NON-NLS-1$ ArrayList<String> comboData = new ArrayList<String>(); for (FileType fileType : FileType.values()) { comboData.add(fileType.toString()); } dialog.addTextField("Range start", oldStart, false); //$NON-NLS-1$ dialog.addTextField(Messages.getString("JSDLRangesTab.range_end"), oldEnd, false); //$NON-NLS-1$ if (dialog.open() != Window.OK) { // do nothing; } else { try { String newStart = dialog.getStringValue(Messages.getString("JSDLRangesTab.range_start")); //$NON-NLS-1$ String newEnd = dialog.getStringValue(Messages.getString("JSDLRangesTab.range_end")); //$NON-NLS-1$ if (!oldStart.equals(newStart) || !oldEnd.equals(newEnd)) { Range newRange = new Range(Double.valueOf(newStart).doubleValue(), Double.valueOf(newEnd).doubleValue()); if (addVariable(newRange)) { this.table.remove(var); } } else { var.setStart(Double.valueOf(newStart).doubleValue()); var.setEnd(Double.valueOf(newEnd).doubleValue()); this.table.update(var, null); updateLaunchConfigurationDialog(); } } catch (IllegalArgumentException exc) { MessageDialog.openError(getShell(), Messages.getString("JSDLRangesTab.bad_range_format"), //$NON-NLS-1$ Messages.getString("JSDLRangesTab.bad_range_format")); //$NON-NLS-1$ } } } } @Override protected void handleRemoveButtonSelected() { IStructuredSelection sel = (IStructuredSelection) this.table.getSelection(); this.table.getControl().setRedraw(false); for (Iterator<?> i = sel.iterator(); i.hasNext();) { Range var = (Range) i.next(); this.table.remove(var); } this.table.getControl().setRedraw(true); // updateAppendReplace(); updateLaunchConfigurationDialog(); } @Override protected void setLabels() { this.addButton.setText(Messages.getString("JSDLRangesTab.add_button")); //$NON-NLS-1$ this.editButton.setText(Messages.getString("JSDLRangesTab.edit_button")); //$NON-NLS-1$ this.removeButton.setText(Messages.getString("JSDLRangesTab.remove_button")); //$NON-NLS-1$ } protected boolean addVariable(final Range variable) { boolean result = true; TableItem[] items = this.table.getTable().getItems(); for (int i = 0; i < items.length; i++) { Range existingVariable = (Range) items[i].getData(); if (existingVariable.equals(variable)) { // this will be changed to NewProblemDialog MessageDialog.openError(getShell(), Messages.getString("JSDLRangesTab.rnage_conflict"), //$NON-NLS-1$ Messages.getString("JSDLRangesTab.conflict_message") //$NON-NLS-1$ + existingVariable.getStart() + ", " //$NON-NLS-1$ + existingVariable.getEnd() + ")"); //$NON-NLS-1$ result = false; break; } else if (existingVariable.getStart() >= variable.getStart() && existingVariable.getStart() < variable.getEnd()) { // this will be changed to NewProblemDialog MessageDialog.openError(getShell(), Messages.getString("JSDLRangesTab.range_conflict"), //$NON-NLS-1$ Messages.getString("JSDLRangesTab.conflict_message_1") //$NON-NLS-1$ + existingVariable.getStart() + ", " //$NON-NLS-1$ + existingVariable.getEnd() + ")"); //$NON-NLS-1$ result = false; break; } else { if (variable.getStart() >= existingVariable.getStart() && variable.getStart() < existingVariable.getEnd()) { // this will be changed to NewProblemDialog MessageDialog.openError(getShell(), Messages.getString("JSDLRangesTab.range_conflict"), //$NON-NLS-1$ Messages.getString("JSDLRangesTab.conflict_message_1") //$NON-NLS-1$ + existingVariable.getStart() + ", " //$NON-NLS-1$ + existingVariable.getEnd() + ")"); //$NON-NLS-1$ result = false; break; } } } if (result) { this.table.add(variable); } return result; } }