1 files changed, 138 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.ui/src/org/eclipse/net4j/ui/widgets/HistoryTextDialog.java b/plugins/org.eclipse.net4j.ui/src/org/eclipse/net4j/ui/widgets/HistoryTextDialog.java
new file mode 100644
index 0000000000..558e7ab402
--- /dev/null
+++ b/plugins/org.eclipse.net4j.ui/src/org/eclipse/net4j/ui/widgets/HistoryTextDialog.java
@@ -0,0 +1,138 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2007 Eike Stepper, Germany.
+ * 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:
+ *    Eike Stepper - initial API and implementation
+ **************************************************************************/
+package org.eclipse.net4j.ui.widgets;
+
+import org.eclipse.net4j.util.collection.IHistory;
+
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.jface.dialogs.IInputValidator;
+import org.eclipse.jface.dialogs.InputDialog;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.FocusAdapter;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/**
+ * TODO extend BaseDialog
+ * 
+ * @author Eike Stepper
+ */
+public class HistoryTextDialog extends InputDialog
+{
+  private static final String EMPTY = "";
+
+  private IHistory<String> history;
+
+  private String value = EMPTY;
+
+  private HistoryText historyText;
+
+  public HistoryTextDialog(Shell parentShell, String dialogTitle, String dialogMessage, IHistory<String> history,
+      IInputValidator validator)
+  {
+    super(parentShell, dialogTitle, dialogMessage, history.getMostRecent(), validator);
+    this.history = history;
+    value = super.getValue();
+  }
+
+  public IHistory<String> getHistory()
+  {
+    return history;
+  }
+
+  public HistoryText getHistoryText()
+  {
+    return historyText;
+  }
+
+  @Override
+  public String getValue()
+  {
+    return value;
+  }
+
+  @Override
+  protected Control createDialogArea(Composite parent)
+  {
+    Composite composite = (Composite)super.createDialogArea(parent);
+    Text text = getText();
+    text.setVisible(false);
+    text.setEnabled(false);
+
+    historyText = new HistoryText(composite, SWT.BORDER, history);
+    historyText.moveAbove(text);
+    historyText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
+    historyText.addModifyListener(new ModifyListener()
+    {
+      public void modifyText(ModifyEvent e)
+      {
+        validateInput();
+      }
+    });
+
+    text.addFocusListener(new FocusAdapter()
+    {
+      @Override
+      public void focusGained(FocusEvent e)
+      {
+        historyText.setFocus();
+      }
+    });
+
+    composite.getShell().layout(true); // XXX
+    return composite;
+  }
+
+  @Override
+  protected void buttonPressed(int buttonId)
+  {
+    if (IDialogConstants.OK_ID == buttonId)
+    {
+      value = historyText.getText();
+      okPressed();
+    }
+    else if (IDialogConstants.CANCEL_ID == buttonId)
+    {
+      value = null;
+      cancelPressed();
+    }
+  }
+
+  @Override
+  protected void createButtonsForButtonBar(Composite parent)
+  {
+    super.createButtonsForButtonBar(parent);
+    historyText.setFocus();
+    if (value != null)
+    {
+      historyText.setText(value);
+    }
+  }
+
+  @Override
+  protected void validateInput()
+  {
+    String errorMessage = null;
+    if (getValidator() != null)
+    {
+      errorMessage = getValidator().isValid(historyText.getText());
+    }
+    // Bug 16256: important not to treat "" (blank error) the same as null
+    // (no error)
+    setErrorMessage(errorMessage);
+  }
+}