1 files changed, 282 insertions, 0 deletions
diff --git a/org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/internal/preferences/RemoteArchetypeCatalogDialog.java b/org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/internal/preferences/RemoteArchetypeCatalogDialog.java
new file mode 100644
index 00000000..fa194908
--- /dev/null
+++ b/org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/internal/preferences/RemoteArchetypeCatalogDialog.java
@@ -0,0 +1,282 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * 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:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.m2e.core.ui.internal.preferences;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.maven.archetype.catalog.Archetype;
+import org.apache.maven.archetype.catalog.ArchetypeCatalog;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.jface.dialogs.DialogSettings;
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.jface.dialogs.IDialogSettings;
+import org.eclipse.jface.dialogs.TitleAreaDialog;
+import org.eclipse.m2e.core.archetype.ArchetypeCatalogFactory;
+import org.eclipse.m2e.core.archetype.ArchetypeCatalogFactory.RemoteCatalogFactory;
+import org.eclipse.m2e.core.internal.Messages;
+import org.eclipse.m2e.core.ui.internal.M2EUIPluginActivator;
+import org.eclipse.osgi.util.NLS;
+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.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/**
+ * Remote Archetype catalog dialog
+ * 
+ * @author Eugene Kuleshov
+ */
+public class RemoteArchetypeCatalogDialog extends TitleAreaDialog {
+
+  /**
+   * 
+   */
+  private static final int VERIFY_ID = IDialogConstants.CLIENT_ID + 1;
+
+  private static final String DIALOG_SETTINGS = RemoteArchetypeCatalogDialog.class.getName();
+
+  private static final String KEY_LOCATIONS = "catalogUrl"; //$NON-NLS-1$
+  
+  private static final int MAX_HISTORY = 15;
+
+  private String title;
+
+  private String message;
+
+  Combo catalogUrlCombo;
+
+  private Text catalogDescriptionText;
+
+  private IDialogSettings dialogSettings;
+
+  private ArchetypeCatalogFactory archetypeCatalogFactory;
+
+  Button verifyButton;
+
+
+  protected RemoteArchetypeCatalogDialog(Shell shell, ArchetypeCatalogFactory factory) {
+    super(shell);
+    this.archetypeCatalogFactory = factory;
+    this.title = Messages.RemoteArchetypeCatalogDialog_title;
+    this.message = Messages.RemoteArchetypeCatalogDialog_message;
+    setShellStyle(SWT.DIALOG_TRIM);
+
+    IDialogSettings pluginSettings = M2EUIPluginActivator.getDefault().getDialogSettings();
+    dialogSettings = pluginSettings.getSection(DIALOG_SETTINGS);
+    if(dialogSettings == null) {
+      dialogSettings = new DialogSettings(DIALOG_SETTINGS);
+      pluginSettings.addSection(dialogSettings);
+    }
+  }
+
+  protected Control createContents(Composite parent) {
+    Control control = super.createContents(parent);
+    setTitle(title);
+    setMessage(message);
+    return control;
+  }
+
+  protected Control createDialogArea(Composite parent) {
+    Composite composite1 = (Composite) super.createDialogArea(parent);
+
+    Composite composite = new Composite(composite1, SWT.NONE);
+    composite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
+    GridLayout gridLayout = new GridLayout();
+    gridLayout.marginTop = 7;
+    gridLayout.marginWidth = 12;
+    gridLayout.numColumns = 2;
+    composite.setLayout(gridLayout);
+
+    Label catalogLocationLabel = new Label(composite, SWT.NONE);
+    catalogLocationLabel.setText(Messages.RemoteArchetypeCatalogDialog_lblCatalog);
+
+    catalogUrlCombo = new Combo(composite, SWT.NONE);
+    GridData gd_catalogLocationCombo = new GridData(SWT.FILL, SWT.CENTER, true, false);
+    gd_catalogLocationCombo.widthHint = 250;
+    catalogUrlCombo.setLayoutData(gd_catalogLocationCombo);
+    catalogUrlCombo.setItems(getSavedValues(KEY_LOCATIONS));
+
+    Label catalogDescriptionLabel = new Label(composite, SWT.NONE);
+    catalogDescriptionLabel.setText(Messages.RemoteArchetypeCatalogDialog_lblDesc);
+
+    catalogDescriptionText = new Text(composite, SWT.BORDER);
+    catalogDescriptionText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
+    
+    if(archetypeCatalogFactory!=null) {
+      catalogUrlCombo.setText(archetypeCatalogFactory.getId());
+      catalogDescriptionText.setText(archetypeCatalogFactory.getDescription());
+    }
+    
+    ModifyListener modifyListener = new ModifyListener() {
+      public void modifyText(final ModifyEvent e) {
+        update();
+      }
+    };
+    catalogUrlCombo.addModifyListener(modifyListener);
+    catalogDescriptionText.addModifyListener(modifyListener);
+    
+    return composite;
+  }
+
+  /* (non-Javadoc)
+   * @see org.eclipse.jface.dialogs.TrayDialog#createButtonBar(org.eclipse.swt.widgets.Composite)
+   */
+  protected Control createButtonBar(Composite parent) {
+    Composite composite = new Composite(parent, SWT.NONE);
+    GridLayout layout = new GridLayout();
+    layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
+    layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
+    layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
+    layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
+    composite.setLayout(layout);
+    composite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
+    composite.setFont(parent.getFont());
+
+    // create help control if needed
+    if(isHelpAvailable()) {
+      createHelpControl(composite);
+    }
+    
+    verifyButton = createButton(composite, VERIFY_ID, Messages.RemoteArchetypeCatalogDialog_btnVerify, false);
+    verifyButton.addSelectionListener(new SelectionAdapter() {
+      public void widgetSelected(SelectionEvent e) {
+        verifyButton.setEnabled(false);
+        String url = catalogUrlCombo.getText();
+        final RemoteCatalogFactory factory = new RemoteCatalogFactory(url, null, true);
+
+        new Job(Messages.RemoteArchetypeCatalogDialog_job_download) {
+          protected IStatus run(IProgressMonitor monitor) {
+            IStatus status = Status.OK_STATUS;
+            ArchetypeCatalog catalog = null;
+            try {
+              catalog = factory.getArchetypeCatalog();
+            } finally {
+              final IStatus s = status;
+              @SuppressWarnings("unchecked")
+              final List<Archetype> archetypes = catalog==null ? Collections.emptyList() : catalog.getArchetypes();
+              getShell().getDisplay().asyncExec(new Runnable() {
+                public void run() {
+                  verifyButton.setEnabled(true);
+                  if(!s.isOK()) {
+                    setErrorMessage(NLS.bind(Messages.RemoteArchetypeCatalogDialog_error_read,s.getMessage()));
+                    getButton(IDialogConstants.OK_ID).setEnabled(false);
+                  } else if(archetypes.size()==0) {
+                    setMessage(Messages.RemoteArchetypeCatalogDialog_error_empty, IStatus.WARNING);
+                  } else {
+                    setMessage(NLS.bind(Messages.RemoteArchetypeCatalogDialog_message_found, archetypes.size()), IStatus.INFO);
+                  }
+                }
+              });
+            }
+            return Status.OK_STATUS;
+          }
+        }.schedule();
+      }
+    });
+    
+    Label filler= new Label(composite, SWT.NONE);
+    filler.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
+    layout.numColumns++;
+    
+    super.createButtonsForButtonBar(composite);  // cancel button
+    
+    return composite;
+  }
+  
+  protected Button getButton(int id) {
+    return super.getButton(id);
+  }
+  
+  private String[] getSavedValues(String key) {
+    String[] array = dialogSettings.getArray(key);
+    return array == null ? new String[0] : array;
+  }
+
+  protected void configureShell(Shell shell) {
+    super.configureShell(shell);
+    shell.setText(title);
+  }
+
+  public void create() {
+    super.create();
+    getButton(IDialogConstants.OK_ID).setEnabled(false);
+    getButton(VERIFY_ID).setEnabled(false);
+  }
+
+  protected void okPressed() {
+    String description = catalogDescriptionText.getText().trim();
+    String location = catalogUrlCombo.getText().trim();
+   
+    archetypeCatalogFactory = new RemoteCatalogFactory(location, description, true);
+    
+    saveValue(KEY_LOCATIONS, location);
+
+    super.okPressed();
+  }
+
+  public ArchetypeCatalogFactory getArchetypeCatalogFactory() {
+    return archetypeCatalogFactory;
+  }
+
+  private void saveValue(String key, String value) {
+    List<String> dirs = new ArrayList<String>();
+    dirs.addAll(Arrays.asList(getSavedValues(key)));
+
+    dirs.remove(value);
+    dirs.add(0, value);
+
+    if(dirs.size() > MAX_HISTORY) {
+      dirs = dirs.subList(0, MAX_HISTORY);
+    }
+
+    dialogSettings.put(key, dirs.toArray(new String[dirs.size()]));
+  }
+
+  void update() {
+    boolean isValid = isValid();
+    getButton(IDialogConstants.OK_ID).setEnabled(isValid);
+    getButton(VERIFY_ID).setEnabled(isValid);
+  }
+
+  private boolean isValid() {
+    setErrorMessage(null);
+    setMessage(null, IStatus.WARNING);
+
+    
+    String url = catalogUrlCombo.getText().trim();
+    if(url.length()==0) {
+      setErrorMessage(Messages.RemoteArchetypeCatalogDialog_error_required);
+      verifyButton.setEnabled(false);
+      return false;
+    }
+    
+    verifyButton.setEnabled(true);
+    return true;
+  }
+
+}