1 files changed, 80 insertions, 0 deletions
diff --git a/org.eclipse.m2e.scm/src/org/eclipse/m2e/scm/ScmHandlerUi.java b/org.eclipse.m2e.scm/src/org/eclipse/m2e/scm/ScmHandlerUi.java
new file mode 100644
index 00000000..dd2ca1c3
--- /dev/null
+++ b/org.eclipse.m2e.scm/src/org/eclipse/m2e/scm/ScmHandlerUi.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ * 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.scm;
+
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExecutableExtension;
+import org.eclipse.swt.widgets.Shell;
+
+/**
+ * An SCM handler UI base class
+ *
+ * @author Eugene Kuleshov
+ */
+public abstract class ScmHandlerUi implements IExecutableExtension {
+  public static final String ATTR_TYPE = "type"; //$NON-NLS-1$
+  public static final String ATTR_CLASS = "class"; //$NON-NLS-1$
+  
+  private String type;
+  
+  public String getType() {
+    return type;
+  }
+
+  /**
+   * Show revision/tag browser dialog and allow user to select revision/tag
+   * 
+   * @param shell the shell for revison/tag browser dialog
+   * @param scmUrl the current <code>ScmUrl</code>, or null if none
+   * @param scmRevision the current revision, or null if none
+   * @return String selected revision
+   */
+  public String selectRevision(Shell shell, ScmUrl scmUrl, String scmRevision) {
+    return null;
+  }
+
+  /**
+   * Show repository browser dialog and allow user to select location
+   * 
+   * @param shell the shell for repository browser dialog
+   * @param scmUrl the current <code>ScmUrl</code>, or null if none
+   * @return ScmUrl for selected location or null if dialog was canceled
+   */
+  public ScmUrl selectUrl(Shell shell, ScmUrl scmUrl) {
+    return null;
+  }
+  
+  public boolean isValidUrl(String scmUrl) {
+    return false;
+  }
+  
+  public boolean isValidRevision(ScmUrl scmUrl, String scmRevision) {
+    return false;
+  }
+
+  public boolean canSelectUrl() {
+    return false;
+  }
+
+  public boolean canSelectRevision() {
+    return false;
+  }
+
+  
+  // IExecutableExtension  
+  
+  public void setInitializationData(IConfigurationElement config, String propertyName, Object data) {
+    this.type = config.getAttribute(ATTR_TYPE);
+  }
+  
+}
+