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/*
* 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;
import com.intellij.ide.dnd.DnDDragStartBean;
import com.intellij.openapi.actionSystem.ActionGroup;
import com.intellij.openapi.project.Project;
import com.intellij.ui.ColoredListCellRenderer;
import org.jetbrains.annotations.Nullable;
/**
* @author yole
*/
public interface PaletteItem {
void customizeCellRenderer(ColoredListCellRenderer cellRenderer,
boolean selected,
boolean hasFocus);
/**
* Processes dragging the item.
*
* @return the drag start bean for the drag process, or null if the item cannot be dragged.
*/
@Nullable DnDDragStartBean startDragging();
/**
* Returns the action group from which the context menu is built when the palette
* item is right-clicked.
*
* @return the action group, or null if no context menu should be shown.
*/
@Nullable ActionGroup getPopupActionGroup();
/**
* Returns the data for the specified data constant.
*
* @param project the project in the context of which data is requested.
* @param dataId the data constant id (see {@link com.intellij.openapi.actionSystem.PlatformDataKeys}).
* @return the data item, or null if no data is available for this constant.
*/
@Nullable Object getData(Project project, String dataId);
}
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