/*
* For work developed by the HSQL Development Group:
*
* Copyright (c) 2001-2010, The HSQL Development Group
* 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 HSQL Development Group 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 HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* 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 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*
* For work originally developed by the Hypersonic SQL Group:
*
* Copyright (c) 1995-2000, The Hypersonic SQL Group.
* 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 Hypersonic SQL Group 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 HYPERSONIC SQL GROUP,
* 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 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Hypersonic SQL Group.
*/
package org.hsqldb.util;
import java.util.Vector;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Event;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Panel;
import java.awt.Scrollbar;
import java.awt.SystemColor;
// sqlbob@users 20020401 - patch 1.7.0 by sqlbob (RMP) - enhancements
/**
*
* @author Thomas Mueller (Hypersonic SQL Group)
* @version 1.8.0
* @since Hypersonic SQL
*/
class Grid extends Panel {
// drawing
private Dimension dMinimum;
// boucherb@users changed access for databasemanager2
protected Font fFont;
// --------------------------------------------------
private FontMetrics fMetrics;
private Graphics gImage;
private Image iImage;
// height / width
private int iWidth, iHeight;
private int iRowHeight, iFirstRow;
private int iGridWidth, iGridHeight;
private int iX, iY;
// data
// boucherb@users changed access for databasemanager2
protected String[] sColHead = new String[0];
protected Vector vData = new Vector();
// --------------------------------------------------
private int[] iColWidth;
private int iColCount;
// boucherb@users changed access for databasemanager2
protected int iRowCount;
// --------------------------------------------------
// scrolling
private Scrollbar sbHoriz, sbVert;
private int iSbWidth, iSbHeight;
private boolean bDrag;
private int iXDrag, iColDrag;
/**
* Constructor declaration
*
*/
public Grid() {
super();
fFont = new Font("Dialog", Font.PLAIN, 12);
setLayout(null);
sbHoriz = new Scrollbar(Scrollbar.HORIZONTAL);
add(sbHoriz);
sbVert = new Scrollbar(Scrollbar.VERTICAL);
add(sbVert);
}
/**
* Method declaration
*/
String[] getHead() {
return sColHead;
}
/**
* Method declaration
*/
Vector getData() {
return vData;
}
/**
* Method declaration
*
*
* @param d
*/
public void setMinimumSize(Dimension d) {
dMinimum = d;
}
/**
* Method declaration
*
*
* @param x
* @param y
* @param w
* @param h
*/
public void setBounds(int x, int y, int w, int h) {
// fredt@users 20011210 - patch 450412 by elise@users
super.setBounds(x, y, w, h);
iSbHeight = sbHoriz.getPreferredSize().height;
iSbWidth = sbVert.getPreferredSize().width;
iHeight = h - iSbHeight;
iWidth = w - iSbWidth;
sbHoriz.setBounds(0, iHeight, iWidth, iSbHeight);
sbVert.setBounds(iWidth, 0, iSbWidth, iHeight);
adjustScroll();
iImage = null;
repaint();
}
/**
* Method declaration
*
*
* @param head
*/
public void setHead(String[] head) {
iColCount = head.length;
sColHead = new String[iColCount];
iColWidth = new int[iColCount];
for (int i = 0; i < iColCount; i++) {
sColHead[i] = head[i];
iColWidth[i] = 100;
}
iRowCount = 0;
iRowHeight = 0;
vData = new Vector();
}
/**
* Method declaration
*
*
* @param data
*/
public void addRow(String[] data) {
if (data.length != iColCount) {
return;
}
String[] row = new String[iColCount];
for (int i = 0; i < iColCount; i++) {
row[i] = data[i];
if (row[i] == null) {
row[i] = "(null)";
}
}
vData.addElement(row);
iRowCount++;
}
/**
* Method declaration
*
*/
public void update() {
adjustScroll();
repaint();
}
/**
* Method declaration
*
*/
void adjustScroll() {
if (iRowHeight == 0) {
return;
}
int w = 0;
for (int i = 0; i < iColCount; i++) {
w += iColWidth[i];
}
iGridWidth = w;
iGridHeight = iRowHeight * (iRowCount + 1);
sbHoriz.setValues(iX, iWidth, 0, iGridWidth);
int v = iY / iRowHeight,
h = iHeight / iRowHeight;
sbVert.setValues(v, h, 0, iRowCount + 1);
iX = sbHoriz.getValue();
iY = iRowHeight * sbVert.getValue();
}
/**
* Method declaration
*
*
* @param e
*/
// fredt@users 20020130 - comment by fredt
// to remove this deprecated method we need to rewrite the Grid class as a
// ScrollPane component
// sqlbob: I believe that changing to the JDK1.1 event handler
// would require browsers to use the Java plugin.
public boolean handleEvent(Event e) {
switch (e.id) {
case Event.SCROLL_LINE_UP :
case Event.SCROLL_LINE_DOWN :
case Event.SCROLL_PAGE_UP :
case Event.SCROLL_PAGE_DOWN :
case Event.SCROLL_ABSOLUTE :
iX = sbHoriz.getValue();
iY = iRowHeight * sbVert.getValue();
repaint();
return true;
}
return super.handleEvent(e);
}
/**
* Method declaration
*
*
* @param g
*/
public void paint(Graphics g) {
if (g == null) {
return;
}
if (sColHead.length == 0) {
super.paint(g);
return;
}
if (iWidth <= 0 || iHeight <= 0) {
return;
}
g.setColor(SystemColor.control);
g.fillRect(iWidth, iHeight, iSbWidth, iSbHeight);
if (iImage == null) {
iImage = createImage(iWidth, iHeight);
gImage = iImage.getGraphics();
gImage.setFont(fFont);
if (fMetrics == null) {
fMetrics = gImage.getFontMetrics();
}
}
if (iRowHeight == 0) {
iRowHeight = getMaxHeight(fMetrics);
for (int i = 0; i < iColCount; i++) {
calcAutoWidth(i);
}
adjustScroll();
}
gImage.setColor(Color.white);
gImage.fillRect(0, 0, iWidth, iHeight);
gImage.setColor(Color.darkGray);
gImage.drawLine(0, iRowHeight, iWidth, iRowHeight);
int x = -iX;
for (int i = 0; i < iColCount; i++) {
int w = iColWidth[i];
gImage.setColor(SystemColor.control);
gImage.fillRect(x + 1, 0, w - 2, iRowHeight);
gImage.setColor(Color.black);
gImage.drawString(sColHead[i], x + 2, iRowHeight - 5);
gImage.setColor(Color.darkGray);
gImage.drawLine(x + w - 1, 0, x + w - 1, iRowHeight - 1);
gImage.setColor(Color.white);
gImage.drawLine(x + w, 0, x + w, iRowHeight - 1);
x += w;
}
gImage.setColor(SystemColor.control);
gImage.fillRect(0, 0, 1, iRowHeight);
gImage.fillRect(x + 1, 0, iWidth - x, iRowHeight);
gImage.drawLine(0, 0, 0, iRowHeight - 1);
int y = iRowHeight + 1 - iY;
int j = 0;
while (y < iRowHeight + 1) {
j++;
y += iRowHeight;
}
iFirstRow = j;
y = iRowHeight + 1;
for (; y < iHeight && j < iRowCount; j++, y += iRowHeight) {
x = -iX;
for (int i = 0; i < iColCount; i++) {
int w = iColWidth[i];
Color b = Color.white,
t = Color.black;
gImage.setColor(b);
gImage.fillRect(x, y, w - 1, iRowHeight - 1);
gImage.setColor(t);
gImage.drawString(getDisplay(i, j), x + 2,
y + iRowHeight - 5);
gImage.setColor(Color.lightGray);
gImage.drawLine(x + w - 1, y, x + w - 1, y + iRowHeight - 1);
gImage.drawLine(x, y + iRowHeight - 1, x + w - 1,
y + iRowHeight - 1);
x += w;
}
gImage.setColor(Color.white);
gImage.fillRect(x, y, iWidth - x, iRowHeight - 1);
}
g.drawImage(iImage, 0, 0, this);
}
/**
* Method declaration
*
*
* @param g
*/
public void update(Graphics g) {
paint(g);
}
/**
* Method declaration
*
*
* @param e
* @param x
* @param y
*/
public boolean mouseMove(Event e, int x, int y) {
if (y <= iRowHeight) {
int xb = x;
x += iX - iGridWidth;
int i = iColCount - 1;
for (; i >= 0; i--) {
if (x > -7 && x < 7) {
break;
}
x += iColWidth[i];
}
if (i >= 0) {
if (!bDrag) {
setCursor(new Cursor(Cursor.E_RESIZE_CURSOR));
bDrag = true;
iXDrag = xb - iColWidth[i];
iColDrag = i;
}
return true;
}
}
return mouseExit(e, x, y);
}
/**
* Method declaration
*
*
* @param e
* @param x
* @param y
*/
public boolean mouseDrag(Event e, int x, int y) {
if (bDrag && x < iWidth) {
int w = x - iXDrag;
if (w < 0) {
w = 0;
}
iColWidth[iColDrag] = w;
adjustScroll();
repaint();
}
return true;
}
/**
* Method declaration
*
*
* @param e
* @param x
* @param y
*/
public boolean mouseExit(Event e, int x, int y) {
if (bDrag) {
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
bDrag = false;
}
return true;
}
/**
* Method declaration
*/
public Dimension preferredSize() {
return dMinimum;
}
/**
* Method declaration
*/
public Dimension getPreferredSize() {
return dMinimum;
}
/**
* Method declaration
*/
public Dimension getMinimumSize() {
return dMinimum;
}
/**
* Method declaration
*/
public Dimension minimumSize() {
return dMinimum;
}
/**
* Method declaration
*
*
* @param i
*/
private void calcAutoWidth(int i) {
int w = 10;
w = Math.max(w, fMetrics.stringWidth(sColHead[i]));
for (int j = 0; j < iRowCount; j++) {
String[] s = (String[]) (vData.elementAt(j));
w = Math.max(w, fMetrics.stringWidth(s[i]));
}
iColWidth[i] = w + 6;
}
/**
* Method declaration
*
*
* @param x
* @param y
*/
private String getDisplay(int x, int y) {
return (((String[]) (vData.elementAt(y)))[x]);
}
/**
* Method declaration
*
*
* @param x
* @param y
*/
private String get(int x, int y) {
return (((String[]) (vData.elementAt(y)))[x]);
}
/**
* Method declaration
*
*
* @param f
*/
private static int getMaxHeight(FontMetrics f) {
return f.getHeight() + 4;
}
}