1 files changed, 135 insertions, 0 deletions
diff --git a/platform/vcs-impl/src/com/intellij/openapi/diff/impl/dir/FrameDialogWrapper.java b/platform/vcs-impl/src/com/intellij/openapi/diff/impl/dir/FrameDialogWrapper.java
new file mode 100644
index 000000000000..f89e28ea8b6b
--- /dev/null
+++ b/platform/vcs-impl/src/com/intellij/openapi/diff/impl/dir/FrameDialogWrapper.java
@@ -0,0 +1,135 @@
+package com.intellij.openapi.diff.impl.dir;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.DialogWrapper;
+import com.intellij.openapi.ui.FrameWrapper;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import javax.swing.*;
+
+public abstract class FrameDialogWrapper {
+  public enum Mode {FRAME, MODAL, NON_MODAL}
+
+  @NotNull
+  protected abstract JComponent getPanel();
+
+  @Nullable
+  protected String getDimensionServiceKey() {
+    return null;
+  }
+
+  @Nullable
+  protected JComponent getPreferredFocusedComponent() {
+    return null;
+  }
+
+  @Nullable
+  protected String getTitle() {
+    return null;
+  }
+
+  @Nullable
+  protected Project getProject() {
+    return null;
+  }
+
+  @NotNull
+  protected Mode getMode() {
+    return Mode.MODAL;
+  }
+
+  public void show() {
+    switch (getMode()) {
+      case FRAME:
+        new MyFrameWrapper(getProject(), getMode(), getPanel(), getPreferredFocusedComponent(), getTitle(), getDimensionServiceKey())
+          .show();
+        return;
+      case MODAL:
+      case NON_MODAL:
+        new MyDialogWrapper(getProject(), getMode(), getPanel(), getPreferredFocusedComponent(), getTitle(), getDimensionServiceKey())
+          .show();
+        return;
+      default:
+        throw new IllegalArgumentException(getMode().toString());
+    }
+  }
+
+  private static class MyDialogWrapper extends DialogWrapper {
+    private final JComponent myComponent;
+    private final JComponent myPreferredFocusedComponent;
+    private final String myDimensionServiceKey;
+
+    public MyDialogWrapper(@Nullable Project project,
+                           @NotNull Mode mode,
+                           @NotNull JComponent component,
+                           @Nullable JComponent preferredFocusedComponent,
+                           @Nullable String title,
+                           @Nullable String dimensionServiceKey) {
+      super(project, true);
+      myComponent = component;
+      myPreferredFocusedComponent = preferredFocusedComponent;
+      myDimensionServiceKey = dimensionServiceKey;
+
+      if (title != null) {
+        setTitle(title);
+      }
+      switch (mode) {
+        case MODAL:
+          setModal(true);
+          break;
+        case NON_MODAL:
+          setModal(false);
+          break;
+        default:
+          throw new IllegalArgumentException(mode.toString());
+      }
+
+      init();
+    }
+
+    @Override
+    protected JComponent createCenterPanel() {
+      return myComponent;
+    }
+
+    @Nullable
+    @Override
+    public JComponent getPreferredFocusedComponent() {
+      return myPreferredFocusedComponent;
+    }
+
+    @Nullable
+    @Override
+    protected String getDimensionServiceKey() {
+      return myDimensionServiceKey;
+    }
+
+    // it is information dialog - no need to OK or Cancel. Close the dialog by clicking the cross button or pressing Esc.
+    @NotNull
+    @Override
+    protected Action[] createActions() {
+      return new Action[0];
+    }
+  }
+
+  private static class MyFrameWrapper extends FrameWrapper {
+    public MyFrameWrapper(@Nullable Project project,
+                          @NotNull Mode mode,
+                          @NotNull JComponent component,
+                          @Nullable JComponent preferredFocusedComponent,
+                          @Nullable String title,
+                          @Nullable String dimensionServiceKey) {
+      super(project, dimensionServiceKey);
+
+      assert mode == Mode.FRAME;
+
+      if (title != null) {
+        setTitle(title);
+      }
+      setComponent(component);
+      setPreferredFocusedComponent(preferredFocusedComponent);
+      closeOnEsc();
+    }
+  }
+}