org.nuiton.jaxx.widgets.extra.datatips.TreeDataTipCell Maven / Gradle / Ivy

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Widgets graphiques utiles pour tous les développements (pour le moment sans lien avec JAXX).
There is a newer version: 3.0-alpha-17
/*
 * %%Ignore-License
 * 
 * Copyright (c) 2002 - 2005, Stephen Kelvin Friedrich. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or other
 *   materials provided with the distribution.
 * - Neither the name of the copyright holder nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without specific
 *   prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.nuiton.jaxx.widgets.extra.datatips;

import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.tree.TreeCellRenderer;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;
import java.awt.Component;
import java.awt.Rectangle;

class TreeDataTipCell implements DataTipCell {
    private final JTree tree;
    private final int rowIndex;

    public TreeDataTipCell(JTree tree, int rowIndex) {
        this.tree = tree;
        this.rowIndex = rowIndex;
    }

    public boolean isSet() {
        return rowIndex >= 0;
    }

    public Rectangle getCellBounds() {
        TreePath treePath = tree.getPathForRow(rowIndex);
        return tree.getPathBounds(treePath);
    }

    public Component getRendererComponent() {
        TreeModel treeModel = tree.getModel();
        TreePath treePath = tree.getPathForRow(rowIndex);
        TreeCellRenderer renderer = tree.getCellRenderer();
        boolean isSelected = tree.isPathSelected(treePath);
        boolean isExpanded = tree.isExpanded(treePath);
        boolean hasFocus = tree.hasFocus() && rowIndex == tree.getLeadSelectionRow();
        Object item = treePath.getLastPathComponent();
        boolean isLeaf = treeModel.isLeaf(item);
        Component component = renderer.getTreeCellRendererComponent(tree, item, isSelected, isExpanded, isLeaf, rowIndex, hasFocus);
        component.setFont(tree.getFont());

        // FIX Nimbus white foreground on white background
        if (isSelected) {
            component.setForeground(UIManager.getColor("Tree.textForeground"));
        }

        return component;
    }

    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        TreeDataTipCell treeDataTipCell = (TreeDataTipCell) o;

        if (rowIndex != treeDataTipCell.rowIndex) {
            return false;
        }

        return true;
    }

    public int hashCode() {
        return rowIndex;
    }
}