/*
 * Copyright 2000-2012 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.xdebugger.impl.breakpoints.ui.tree;

import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.ui.CheckboxTree;
import com.intellij.ui.CheckedTreeNode;
import com.intellij.ui.TreeSpeedSearch;
import com.intellij.util.containers.Convertor;
import com.intellij.xdebugger.impl.breakpoints.ui.BreakpointItem;

import javax.swing.tree.TreePath;

public class BreakpointsCheckboxTree extends CheckboxTree {

  @Override
  protected void nodeStateWillChange(CheckedTreeNode node) {
    super.nodeStateWillChange(node);
    if (myDelegate != null) {
      myDelegate.nodeStateWillChange(node);
    }
  }

  @Override
  protected void onNodeStateChanged(CheckedTreeNode node) {
    super.onNodeStateChanged(node);
    if (myDelegate != null) {
      myDelegate.nodeStateDidChange(node);
    }
  }

  interface Delegate {
    void nodeStateDidChange(CheckedTreeNode node);

    void nodeStateWillChange(CheckedTreeNode node);
  }

  public void setDelegate(Delegate delegate) {
    myDelegate = delegate;
  }

  private Delegate myDelegate = null;

  public BreakpointsCheckboxTree(Project project, BreakpointItemsTreeController model) {
    super(new BreakpointsTreeCellRenderer.BreakpointsCheckboxTreeCellRenderer(project), model.getRoot());
    setHorizontalAutoScrollingEnabled(false);
  }

  @Override
  protected void installSpeedSearch() {
    new TreeSpeedSearch(this, new Convertor<TreePath, String>() {
      @Override
      public String convert(TreePath path) {
        Object node = path.getLastPathComponent();
        if (node instanceof BreakpointItemNode) {
          return ((BreakpointItemNode)node).getBreakpointItem().speedSearchText();
        }
        else if (node instanceof BreakpointsGroupNode) {
          return ((BreakpointsGroupNode)node).getGroup().getName();
        }
        return "";
      }
    });
  }

  public String convertValueToText(Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
    if (value instanceof BreakpointItemNode) {
      final BreakpointItem breakpointItem = ((BreakpointItemNode)value).getBreakpointItem();
      final String displayText = breakpointItem != null? breakpointItem.getDisplayText() : null;
      if (!StringUtil.isEmptyOrSpaces(displayText)) {
        return displayText;
      }
    }
    return super.convertValueToText(value, selected, expanded, leaf, row, hasFocus);
  }
}
