org.yaoqiang.collaboration.panels.RosterGroupTitlePane Maven / Gradle / Ivy

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package org.yaoqiang.collaboration.panels;

import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Insets;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.geom.AffineTransform;
import java.util.StringTokenizer;

import javax.swing.Icon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.UIManager;

import org.yaoqiang.util.Constants;

public class RosterGroupTitlePane extends JPanel {

	private static final long serialVersionUID = -1262925888507446642L;
	private JLabel titleLabel;
	private JLabel iconLabel;

	private JLabel preIconLabel;

	private boolean collapsed;

	private Color startColor;
	private Color endColor;

	private Color titleColor;

	private Image backgroundImage;

	public RosterGroupTitlePane() {
		setLayout(new GridBagLayout());

		titleColor = new Color(33, 93, 198);
		Font titleFont = new Font("Dialog", Font.BOLD, 11);

		startColor = new Color(238, 242, 253);
		endColor = Color.white;
		titleLabel = new JLabel();
		iconLabel = new JLabel();

		preIconLabel = new JLabel();

		add(preIconLabel, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(5, 10, 2, 0), 0, 0));
		add(titleLabel, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(5, 5, 0, 2), 0, 0));
		add(iconLabel, new GridBagConstraints(2, 0, 1, 1, 1.0, 0.0, GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 2), 0, 0));

		setCollapsed(false);

		Color customTitleColor = (Color) UIManager.get("CollapsiblePane.titleColor");
		if (customTitleColor != null) {
			titleLabel.setForeground(customTitleColor);
		} else {
			titleLabel.setForeground(titleColor);
		}

		titleLabel.setFont(titleFont);

		addMouseListener(new MouseAdapter() {
			public void mouseEntered(MouseEvent e) {
				setCursor(Constants.HAND_CURSOR);
			}

			public void mouseExited(MouseEvent e) {
				setCursor(Constants.DEFAULT_CURSOR);
			}
		});

	}

	public void setStartColor(Color color) {
		startColor = color;
	}

	public void setEndColor(Color color) {
		endColor = color;
	}

	public void setIcon(Icon icon) {
		titleLabel.setIcon(icon);
	}

	public void setTitle(String title) {
		titleLabel.setText(title);
	}

	public boolean isCollapsed() {
		return collapsed;
	}

	public void setCollapsed(boolean collapsed) {
		this.collapsed = collapsed;
		if (collapsed) {
			preIconLabel.setIcon(Constants.ICON_ARROW_RIGHT);
		} else {
			preIconLabel.setIcon(Constants.ICON_ARROW_DOWN);
		}
	}

	public void setTitleColor(Color color) {
		titleColor = color;

		titleLabel.setForeground(color);
	}

	public Color getTitleColor() {
		return titleColor;
	}

	public void paintComponent(Graphics g) {
		if (backgroundImage != null) {
			double scaleX = getWidth() / (double) backgroundImage.getWidth(null);
			double scaleY = getHeight() / (double) backgroundImage.getHeight(null);
			AffineTransform xform = AffineTransform.getScaleInstance(scaleX, scaleY);
			((Graphics2D) g).drawImage(backgroundImage, xform, this);
			return;
		}

		Color stopColor = endColor;
		Color starterColor = startColor;

		Color customStartColor = (Color) UIManager.get("CollapsiblePane.startColor");
		Color customEndColor = (Color) UIManager.get("CollapsiblePane.endColor");

		if (customEndColor != null) {
			stopColor = customEndColor;
		}

		if (customStartColor != null) {
			starterColor = customStartColor;
		}

		Graphics2D g2 = (Graphics2D) g;

		int w = getWidth();
		int h = getHeight();

		GradientPaint gradient = new GradientPaint(0, 0, starterColor, w, h, stopColor, true);
		g2.setPaint(gradient);
		g2.fillRect(0, 0, w, h);
	}

	public static Color getColor(String commaColorString) {
		Color color;
		try {
			StringTokenizer tkn = new StringTokenizer(commaColorString, ",");
			color = new Color(Integer.parseInt(tkn.nextToken()), Integer.parseInt(tkn.nextToken()), Integer.parseInt(tkn.nextToken()));
		} catch (NumberFormatException e1) {
			return Color.white;
		}
		return color;
	}

	public void setTitleForeground(Color color) {
		titleLabel.setForeground(color);
	}

	public void useImageAsBackground(Image image) {
		this.backgroundImage = image;
	}
}