Eclipse plug-in updates for release 3.4.2.20111024

1 files changed, 102 insertions, 0 deletions

diff --git a/eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/preferences/PluginPreferencePage.java b/eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/preferences/PluginPreferencePage.java
new file mode 100644
index 00000000000..e478f3d037d
--- /dev/null
+++ b/eclipse/java/Slice2javaPlugin/src/com/zeroc/slice2javaplugin/preferences/PluginPreferencePage.java
@@ -0,0 +1,102 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
+//
+// This plug-in is provided to you under the terms and conditions
+// of the Eclipse Public License Version 1.0 ("EPL"). A copy of
+// the EPL is available at http://www.eclipse.org/legal/epl-v10.html.
+//
+// **********************************************************************
+
+package com.zeroc.slice2javaplugin.preferences;
+
+import org.eclipse.jface.preference.*;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.ui.IWorkbenchPreferencePage;
+import org.eclipse.ui.IWorkbench;
+
+import com.zeroc.slice2javaplugin.Activator;
+import com.zeroc.slice2javaplugin.internal.Configuration;
+
+/**
+ * This class represents a preference page that is contributed to the
+ * Preferences dialog. By subclassing <samp>FieldEditorPreferencePage</samp>, we
+ * can use the field support built into JFace that allows us to create a page
+ * that is small and knows how to save, restore and apply itself.
+ * <p>
+ * This page is used to modify preferences only. They are stored in the
+ * preference store that belongs to the main plug-in class. That way,
+ * preferences can be accessed directly via the preference store.
+ */
+
+public class PluginPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage
+{
+    public static final String SDK_PATH = "pathPreference";
+    
+    public PluginPreferencePage()
+    {
+        super(GRID);
+        setPreferenceStore(Activator.getDefault().getPreferenceStore());
+        setDescription("Slice2Java Preferences");
+    }
+
+    /**
+     * Creates the field editors. Field editors are abstractions of the common
+     * GUI blocks needed to manipulate various types of preferences. Each field
+     * editor knows how to save and restore itself.
+     */
+    public void createFieldEditors()
+    {
+        addField(new SdkDirectoryFieldEditor(SDK_PATH, "&SDK Location:", getFieldEditorParent()));
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
+     */
+    public void init(IWorkbench workbench)
+    {
+    }
+
+    private static class SdkDirectoryFieldEditor extends DirectoryFieldEditor
+    {
+
+        public SdkDirectoryFieldEditor(String name, String labelText, Composite parent)
+        {
+            super(name, labelText, parent);
+            setEmptyStringAllowed(false);
+        }
+
+        /**
+         * Method declared on StringFieldEditor and overridden in
+         * DirectoryFieldEditor. Checks whether the text input field contains a
+         * valid directory.
+         * 
+         * @return True if the apply/ok button should be enabled in the pref
+         *         panel
+         */
+        @Override
+        protected boolean doCheckState()
+        {
+            String dir = getTextControl().getText();
+            dir = dir.trim();
+            if(!Configuration.verifyIceHome(dir))
+            {
+                setErrorMessage("Invalid SDK Location");
+                return false;
+            }
+            clearMessage();
+            return true;
+        }
+
+        @Override
+        public Text getTextControl(Composite parent)
+        {
+            setValidateStrategy(VALIDATE_ON_KEY_STROKE);
+            return super.getTextControl(parent);
+        }
+    }
+}