1 files changed, 114 insertions, 0 deletions
diff --git a/plugins/ui-designer/src/com/intellij/ide/palette/impl/PaletteContentWindow.java b/plugins/ui-designer/src/com/intellij/ide/palette/impl/PaletteContentWindow.java
new file mode 100644
index 000000000000..b5aaccad7b29
--- /dev/null
+++ b/plugins/ui-designer/src/com/intellij/ide/palette/impl/PaletteContentWindow.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2000-2009 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.intellij.ide.palette.impl;
+
+import org.jetbrains.annotations.Nullable;
+
+import javax.swing.*;
+import java.awt.*;
+
+/**
+ * @author yole
+ */
+public class PaletteContentWindow extends JPanel implements Scrollable {
+  public PaletteContentWindow() {
+    setLayout(new PaletteLayoutManager());
+  }
+
+  public Dimension getPreferredScrollableViewportSize() {
+    return getPreferredSize();
+  }
+
+  public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {
+    return 20;
+  }
+
+  public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
+    return 100;
+  }
+
+  public boolean getScrollableTracksViewportWidth() {
+    return true;
+  }
+
+  public boolean getScrollableTracksViewportHeight() {
+    return false;
+  }
+
+  @Nullable PaletteGroupHeader getLastGroupHeader() {
+    PaletteGroupHeader result = null;
+    for(Component comp: getComponents()) {
+      if (comp instanceof PaletteGroupHeader) {
+        result = (PaletteGroupHeader) comp;
+      }
+    }
+    return result;
+  }
+
+  private static class PaletteLayoutManager implements LayoutManager {
+
+    public void addLayoutComponent(String name, Component comp) {
+    }
+
+    public void layoutContainer(Container parent) {
+      int width = parent.getWidth();
+
+      int height = 0;
+      for(Component c: parent.getComponents()) {
+        if (c instanceof PaletteGroupHeader) {
+          PaletteGroupHeader groupHeader = (PaletteGroupHeader) c;
+          groupHeader.setLocation(0, height);
+          if (groupHeader.isVisible()) {
+            groupHeader.setSize(width, groupHeader.getPreferredSize().height);
+            height += groupHeader.getPreferredSize().height;
+          }
+          else {
+            groupHeader.setSize(0, 0);
+          }
+          if (groupHeader.isSelected() || !groupHeader.isVisible()) {
+            PaletteComponentList componentList = groupHeader.getComponentList();
+            componentList.setSize(width, componentList.getPreferredSize().height);
+            componentList.setLocation(0, height);
+            height += componentList.getHeight();
+          }
+        }
+      }
+    }
+
+    public Dimension minimumLayoutSize(Container parent) {
+      return new Dimension(0, 0);
+    }
+
+    public Dimension preferredLayoutSize(Container parent) {
+      int height = 0;
+      int width = parent.getWidth();
+      for(Component c: parent.getComponents()) {
+        if (c instanceof PaletteGroupHeader) {
+          PaletteGroupHeader groupHeader = (PaletteGroupHeader) c;
+          height += groupHeader.getHeight();
+          if (groupHeader.isSelected()) {
+            height += groupHeader.getComponentList().getPreferredHeight(width);
+          }
+        }
+      }
+      return new Dimension(10 /* not used - tracks viewports width*/, height);
+    }
+
+    public void removeLayoutComponent(Component comp) {
+    }
+  }
+}