Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2006 * Thomas Hallgren, Kenneth Olwing, Mitch Sonies * Pontus Rydin, Nils Unden, Peer Torngren * The code, documentation and other materials contained herein have been * licensed under the Eclipse Public License - v 1.0 by the individual * copyright holders listed above, as Initial Contributors under such license. * The text of such license is available at www.eclipse.org. *******************************************************************************/ package org.eclipse.buckminster.p4.ui.prefs; import java.io.File; import java.util.regex.Pattern; import java.util.regex.PatternSyntaxException; import org.eclipse.buckminster.core.helpers.TextUtils; import org.eclipse.buckminster.p4.preferences.Client; import org.eclipse.buckminster.p4.preferences.DepotMapping; import org.eclipse.buckminster.p4.ui.Messages; import org.eclipse.buckminster.runtime.Trivial; import org.eclipse.buckminster.ui.UiUtils; import org.eclipse.core.runtime.Path; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.DirectoryDialog; import org.eclipse.swt.widgets.Text; import org.osgi.service.prefs.BackingStoreException; /** * @author Thomas Hallgren */ public class ClientPane extends NodeListPrefPane { private Client m_client; private DepotMapping m_depotMapping; private Text m_clientName; private Text m_localRoot; private Button m_browse; private Button m_defaultClient; private Text m_depotMappingName; private Text m_depotPattern; private Text m_localReplacement; public ClientPane(PreferencePage prefPage, Composite parent) { super(prefPage, parent, 2); } public void init() { Composite clientFields = new Composite(this, SWT.NONE); clientFields.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); GridLayout layout = new GridLayout(); layout.numColumns = 3; layout.marginHeight = 0; layout.marginWidth = 0; clientFields.setLayout(layout); m_clientName = UiUtils.createLabeledText(clientFields, Messages.name, SWT.READ_ONLY, s_tooltipRefresh); m_clientName.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); m_localRoot = UiUtils.createLabeledText(clientFields, Messages.local_root_with_colon, SWT.NONE, s_tooltipRefresh); m_localRoot.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { boolean valid = true; String errMsg = null; String dirName = ((Text) e.getSource()).getText().trim(); if (dirName.length() > 0) { File file = new File(dirName); valid = file.exists(); if (!valid && !dirName.contains("${")) //$NON-NLS-1$ errMsg = dirName + Messages._does_not_exist; } PreferencePage prefPage = getPreferencePage(); prefPage.setValid(errMsg == null); prefPage.setErrorMessage(errMsg); } }); m_browse = new Button(clientFields, SWT.PUSH); m_browse.setText(Messages.browse_with_dots); m_browse.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent event) { browseButtonPressed(); } }); m_defaultClient = new Button(clientFields, SWT.CHECK); m_defaultClient.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false, 3, 1)); m_defaultClient.setText(Messages.this_is_the_default_client); m_defaultClient.setEnabled(false); this.createListContents(Messages.depot_mappings); Composite depotMappingFields = new Composite(this, SWT.NONE); depotMappingFields.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); layout = new GridLayout(2, false); layout.marginHeight = 0; layout.marginWidth = 0; depotMappingFields.setLayout(layout); m_depotMappingName = UiUtils.createLabeledText(depotMappingFields, Messages.name, SWT.READ_ONLY, null); m_depotPattern = UiUtils.createLabeledText(depotMappingFields, Messages.depot_pattern_with_colon, SWT.NONE, new ModifyListener() { public void modifyText(ModifyEvent ev) { String errMsg = null; String lpe = ((Text) ev.getSource()).getText().trim(); if (lpe.length() > 0) { try { Pattern.compile(lpe); } catch (PatternSyntaxException e) { errMsg = e.getMessage(); } } PreferencePage prefPage = getPreferencePage(); prefPage.setValid(errMsg == null); prefPage.setErrorMessage(errMsg); } }); m_depotPattern.setToolTipText( Messages.a_regular_expression_used_when_creating_a_client_root_relative_path_that_will_be_used_for_component_materialization_based_on_the_full_depot_path_of_a_component); m_localReplacement = UiUtils.createLabeledText(depotMappingFields, Messages.local_replacement_with_colon, SWT.NONE, null); m_localReplacement.setToolTipText( Messages.the_replacement_string_used_when_creating_the_client_root_relative_path_that_will_be_used_for_component_materialization_based_on_the_full_depot_path_of_a_component); } protected void clearClient() { m_client = null; m_clientName.setText(""); //$NON-NLS-1$ m_localRoot.setText(""); //$NON-NLS-1$ m_defaultClient.setSelection(false); } protected void clearDepotMapping() { m_depotMapping = null; m_depotMappingName.setText(""); //$NON-NLS-1$ m_depotPattern.setText(""); //$NON-NLS-1$ m_localReplacement.setText(""); //$NON-NLS-1$ } @Override protected void editNode(String node) { if (!this.assignClientValues()) return; this.setErrorMessage(null); this.getPreferencePage().setValid(true); if (node == null) this.setDepotMapping(null); else { try { this.setDepotMapping(m_client.getDepotMapping(node)); } catch (BackingStoreException e) { displayException(this.getShell(), e); } } } @Override protected String[] getListContents() { if (m_client != null) { try { return m_client.getDepotMappingNames(); } catch (BackingStoreException e) { displayException(this.getShell(), e); } } return Trivial.EMPTY_STRING_ARRAY; } @Override protected boolean isNewEnabled() { return m_client != null; } @Override protected void newNode() { if (!this.assignClientValues()) return; String depotMappingName = this.queryNodeName(Messages.add_client_depot_mapping, Messages.depot_mapping_name, null); if (depotMappingName == null) return; try { m_client.addDepotMapping(depotMappingName); this.addAndSelect(depotMappingName); } catch (BackingStoreException e) { displayException(this.getShell(), e); return; } } @Override protected void removeNode(String item) { try { DepotMapping depotMapping = m_client.getDepotMapping(item); if (depotMapping != null) { this.clearDepotMapping(); depotMapping.remove(); } } catch (BackingStoreException e) { displayException(this.getShell(), e); } } @Override protected void renameNode() { if (!this.assignClientValues()) return; DepotMapping depotMapping = m_depotMapping; String oldName = depotMapping.getName(); String newName = this.queryNodeName(Messages.rename_client_depot_mapping, Messages.depot_mapping_name, oldName); if (newName == null || newName.equals(oldName)) return; try { this.assignRenamedDepotMapping(depotMapping.createCopy(newName)); depotMapping.remove(); this.updateAndSelect(); } catch (BackingStoreException e) { displayException(this.getShell(), e); return; } } void assignRenamedClient(Client client) { m_client = client; if (client != null) m_clientName.setText(client.getName()); this.assignRenamedDepotMapping(null); } void assignRenamedDepotMapping(DepotMapping depotMapping) { m_depotMapping = depotMapping; m_depotMappingName.setText(depotMapping == null ? "" : depotMapping.getName()); //$NON-NLS-1$ } void browseButtonPressed() { DirectoryDialog dialog = new DirectoryDialog(this.getShell()); dialog.setMessage(Messages.P4_client_root); String dirName = m_localRoot.getText(); if (!dirName.equals("")) //$NON-NLS-1$ { File path = new File(dirName); if (path.exists()) dialog.setFilterPath(new Path(dirName).toOSString()); } String selectedDirectory = dialog.open(); if (selectedDirectory != null) m_localRoot.setText(selectedDirectory); } Client getClient() { return m_client; } boolean performOk() { if (m_depotMapping != null) if (!this.assignDepotMappingValues()) return false; if (m_client != null) if (!this.assignClientValues()) return false; return true; } boolean setClient(Client client) { boolean hasClient = (client != null); m_localRoot.setEnabled(hasClient); m_browse.setEnabled(hasClient); m_defaultClient.setEnabled(hasClient); if (hasClient) { if (client.equals(m_client)) return true; if (!this.assignClientValues()) return false; m_client = client; m_clientName.setText(TextUtils.notNullString(client.getName())); m_localRoot.setText(TextUtils.notNullString(client.getLocalRoot())); m_defaultClient.setSelection(client.isDefaultClient()); } else { if (m_client == null) return true; this.clearClient(); } this.updateList(); return true; } boolean setDepotMapping(DepotMapping depotMapping) { boolean hasDepotMapping = (depotMapping != null); m_depotPattern.setEnabled(hasDepotMapping); m_localReplacement.setEnabled(hasDepotMapping); if (hasDepotMapping) { if (depotMapping.equals(m_depotMapping)) return true; if (!this.assignDepotMappingValues()) return false; m_depotMapping = depotMapping; m_depotMappingName.setText(depotMapping.getName()); m_depotPattern.setText(TextUtils.notNullString(depotMapping.getDepotPattern())); m_localReplacement.setText(TextUtils.notNullString(depotMapping.getLocalReplacement())); } else { if (m_depotMapping == null) return true; this.clearDepotMapping(); } this.selectionChanged(); return true; } private boolean assignClientValues() { if (m_client == null) return true; m_client.setLocalRoot(UiUtils.trimmedValue(m_localRoot)); if (m_defaultClient.getSelection()) m_client.setAsDefault(); return true; } private boolean assignDepotMappingValues() { if (m_depotMapping == null) return true; String tmp = UiUtils.trimmedValue(m_depotPattern); if (tmp != null) { if (tmp.charAt(0) != '^') tmp = '^' + tmp; if (tmp.charAt(tmp.length() - 1) != '$') tmp = tmp + '$'; m_depotMapping.setDepotPattern(Pattern.compile(tmp)); } else m_depotMapping.setDepotPattern(null); m_depotMapping.setLocalReplacement(UiUtils.trimmedValue(m_localReplacement)); return true; } }