01: package net.sourceforge.squirrel_sql.client.mainframe.action;
02:
03: /*
04: * Copyright (C) 2001-2003 Colin Bell
05: * colbell@users.sourceforge.net
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: import java.awt.event.ActionEvent;
22:
23: import net.sourceforge.squirrel_sql.fw.gui.CursorChanger;
24: import net.sourceforge.squirrel_sql.fw.gui.action.TileInternalFramesAction;
25:
26: import net.sourceforge.squirrel_sql.client.IApplication;
27:
28: /**
29: * This <CODE>Action</CODE> tiles the internal frames.
30: *
31: * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
32: */
33: public class TileAction extends TileInternalFramesAction {
34: /** Application API. */
35: private IApplication _app;
36:
37: /**
38: * Ctor.
39: *
40: * @param app Application API.
41: */
42: public TileAction(IApplication app) {
43: super ();
44: _app = app;
45: app.getResources().setupAction(
46: this ,
47: _app.getSquirrelPreferences()
48: .getShowColoriconsInToolbar());
49: }
50:
51: public void actionPerformed(ActionEvent evt) {
52: CursorChanger cursorChg = new CursorChanger(_app.getMainFrame());
53: cursorChg.show();
54: try {
55: super .actionPerformed(evt);
56: } finally {
57: cursorChg.restore();
58: }
59: }
60:
61: /**
62: * Retrieve the number of rows and columns that the internal frames
63: * should be rearranged into.
64: *
65: * @param internalFrameCount Number of internal frames to be rearranged.
66: */
67: protected RowColumnCount getRowColumnCount(int internalFrameCount) {
68: int rows = 0;
69: int cols = 0;
70: if (internalFrameCount > 0) {
71: // Determine size of grid to tile into. e.g 3X3 for 9 cells.
72: rows = (int) Math.sqrt(internalFrameCount);
73: cols = rows;
74: while (rows * cols < internalFrameCount) {
75: ++cols;
76: if (rows * cols < internalFrameCount) {
77: ++rows;
78: }
79: }
80: }
81: return new RowColumnCount(rows, cols);
82: }
83: }
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