001: /*
002: * Copyright (c) 2004 JETA Software, Inc. All rights reserved.
003: *
004: * Redistribution and use in source and binary forms, with or without modification,
005: * are permitted provided that the following conditions are met:
006: *
007: * o Redistributions of source code must retain the above copyright notice,
008: * this list of conditions and the following disclaimer.
009: *
010: * o Redistributions in binary form must reproduce the above copyright notice,
011: * this list of conditions and the following disclaimer in the documentation
012: * and/or other materials provided with the distribution.
013: *
014: * o Neither the name of JETA Software nor the names of its contributors may
015: * be used to endorse or promote products derived from this software without
016: * specific prior written permission.
017: *
018: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
019: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
020: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
021: * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
022: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
023: * INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
024: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
025: * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
026: * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
027: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
028: */
029:
030: package com.jeta.forms.components.line;
031:
032: import java.awt.Color;
033: import java.awt.Graphics;
034: import java.awt.Graphics2D;
035: import java.awt.Insets;
036: import java.awt.Stroke;
037: import java.util.Iterator;
038:
039: import com.jeta.forms.store.properties.LineProperty;
040:
041: /**
042: * <code>HorizontalLineComponent</code> is a JComponent that displays one or
043: * more horizontal lines.
044: *
045: * @author Jeff Tassin
046: */
047: public class HorizontalLineComponent extends LineComponent {
048: /**
049: * Alignment values.
050: */
051: public static final int CENTER = 0;
052: public static final int TOP = 1;
053: public static final int BOTTOM = 2;
054:
055: /**
056: * Default <code>HorizontalLineComponent</code> constructor.
057: */
058: public HorizontalLineComponent() {
059: }
060:
061: /**
062: * Return true if this line is oriented horizontally.
063: *
064: * @return true if this line is oriented horizontally
065: */
066: public boolean isHorizontal() {
067: return true;
068: }
069:
070: /**
071: * Renders the line(s) on the given graphics context.
072: *
073: * @param g
074: * the <code>Graphics</code> context in which to paint
075: */
076: public void paintComponent(Graphics g) {
077: int y1 = 0;
078: int x1 = 0, x2 = 0;
079: Insets insets = getInsets();
080:
081: x1 = insets.left;
082: int width = getWidth() - (insets.left + insets.right);
083: if (width < 0)
084: return;
085:
086: x2 = width + x1;
087:
088: int total_thickness = getThickness();
089: if (getPosition() == CENTER) {
090: y1 = (getHeight() - total_thickness) / 2;
091: } else if (getPosition() == TOP) {
092: // y1 = total_thickness/2;
093: } else {
094: y1 = getHeight() - total_thickness;
095: }
096:
097: /**
098: * Now, draw each line
099: */
100: Graphics2D g2 = (Graphics2D) g;
101: Stroke old_stroke = g2.getStroke();
102: Color old_color = g2.getColor();
103: Iterator iter = iterator();
104: while (iter.hasNext()) {
105: LineProperty prop = (LineProperty) iter.next();
106: Stroke s = prop.getStroke();
107: g2.setStroke(s);
108: g2.setColor(prop.getColor());
109:
110: int y = y1 + prop.getThickness() / 2;
111: g2.drawLine(x1, y, x2, y);
112: y1 = y1 + prop.getThickness();
113: }
114:
115: g2.setColor(old_color);
116: g2.setStroke(old_stroke);
117: }
118:
119: }
|