svn-gvsig-desktop / branches / v05 / extensions / extWMS / src / com / iver / cit / gvsig / gui / beans / Pager.java @ 4187
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib��ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/* CVS MESSAGES:
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*
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* $Id: Pager.java 4187 2006-02-23 10:36:30Z jaume $
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* $Log$
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* Revision 1.2.2.6 2006-02-23 10:36:30 jaume
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* *** empty log message ***
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*
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* Revision 1.2.2.5 2006/02/16 10:36:41 jaume
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* *** empty log message ***
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*
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* Revision 1.1 2006/02/16 09:09:05 caballero
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* PAger de Jaume
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*
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* Revision 1.2.2.4 2006/02/10 13:23:18 jaume
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* page value can now be set externally
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*
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* Revision 1.2.2.3 2006/01/31 16:25:24 jaume
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* correcciones de bugs
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*
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* Revision 1.3 2006/01/26 16:07:14 jaume
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* *** empty log message ***
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*
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* Revision 1.2.2.1 2006/01/26 12:59:32 jaume
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* 0.5
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*
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* Revision 1.2 2006/01/24 14:36:33 jaume
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* This is the new version
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*
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* Revision 1.1.2.5 2006/01/19 16:09:30 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.4 2006/01/17 17:05:39 jaume
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* fixed crazy buttons behavior :-P
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*
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* Revision 1.1.2.3 2006/01/17 17:01:55 jaume
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* fixed crazy buttons behavior :-P
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*
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* Revision 1.1.2.2 2006/01/11 12:20:30 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1 2006/01/10 13:11:38 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1 2006/01/10 11:33:31 jaume
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* Time dimension working against Jet Propulsion Laboratory's WMS server
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*
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* Revision 1.1.2.3 2006/01/09 18:10:38 jaume
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* casi con el time dimension
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*
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* Revision 1.1.2.2 2006/01/02 18:08:01 jaume
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* Tree de estilos
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*
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* Revision 1.1.2.1 2005/12/30 08:56:19 jaume
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* *** empty log message ***
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*
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*
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*/
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/**
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*
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*/
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package com.iver.cit.gvsig.gui.beans; |
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import java.awt.Dimension; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import javax.swing.ImageIcon; |
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import javax.swing.JButton; |
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import javax.swing.JPanel; |
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import javax.swing.JSlider; |
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import javax.swing.JTextField; |
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/**
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* Bean that is useful to browse a very large list of data. It
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* includes a set of navigation buttons to step ahead or behind
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* by one or going to the first and last element of the list as
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* well as an slider and a text field for directly focus on a
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* list item.
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*
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* @author jaume dominguez faus
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*
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*/
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public class Pager extends DefaultBean { |
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private JPanel buttonsPanel = null; |
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private JButton btnFastBackward = null; |
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private JButton btnBackward = null; |
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private JTextField txtItemCountDisplay = null; |
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private JButton btnForward = null; |
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private JButton btnFastForward = null; |
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private JPanel sliderPanel = null; |
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private JSlider slider = null; |
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private int itemCount; |
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private int lowLimit; |
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private int currentValue = -1; |
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private int orientation; |
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private boolean refreshing = false; |
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public static int HORIZONTAL=0; |
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public static int VERTICAL=1; |
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/**
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* This is the default constructor. Creates a new instance of ItemBrowser with
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* zero items.
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*/
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public Pager(int orientation){ |
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super();
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this.orientation=orientation;
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initialize(0, 0); |
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} |
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/**
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* Creates a new instance of ItemBrowser defining its edges
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* @param lowIndex, the lowest edge.
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* @param itemCount, the highest edge.
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*/
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public Pager(int lowIndex, int itemCount,int orientation) { |
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super();
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this.orientation=orientation;
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initialize(lowIndex, itemCount); |
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} |
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/**
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* This method initializes this
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*
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* @return void
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*/
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private void initialize(int lowIndex, int itemCount) { |
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setItemCount(itemCount); |
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this.lowLimit = lowIndex;
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this.setLayout(null); |
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if (orientation==VERTICAL){
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this.setSize(45,305); |
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this.setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.lightGray,1)); |
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this.setPreferredSize(new Dimension(40,300)); |
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}else{
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this.setSize(240, 50); |
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this.setPreferredSize(new Dimension(190,50)); |
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} |
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this.add(getSliderPanel(), null); |
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this.add(getButtonsPanel(), null); |
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} |
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/**
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* This method initializes buttonsPanel
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*
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* @return javax.swing.JPanel
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*/
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private JPanel getButtonsPanel() { |
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if (buttonsPanel == null) { |
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buttonsPanel = new JPanel(); |
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buttonsPanel.setLayout(null);
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buttonsPanel.setName("buttonsPanel");
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buttonsPanel.setPreferredSize(new java.awt.Dimension(173,50)); |
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if (orientation==VERTICAL){
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buttonsPanel.setBounds(3, 182, 35,115); |
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}else{
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buttonsPanel.setBounds(5, 25, 240, 25); |
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} |
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buttonsPanel.add(getBtnFastBackward(), null);
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buttonsPanel.add(getBtnBackward(), null);
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buttonsPanel.add(getTxtItemCountDisplay(), null);
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buttonsPanel.add(getBtnForward(), null);
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buttonsPanel.add(getBtnFastForward(), null);
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} |
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return buttonsPanel;
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} |
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/**
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* This method initializes btnFastBackWard
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*
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* @return javax.swing.JButton
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*/
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private JButton getBtnFastBackward() { |
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if (btnFastBackward == null) { |
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btnFastBackward = new JButton(); |
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if (orientation==VERTICAL){
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btnFastBackward.setBounds(7, 1, 20, 24); |
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}else{
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btnFastBackward.setBounds(2, 1, 20, 24); |
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} |
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btnFastBackward.setEnabled(itemCount!=0);
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btnFastBackward.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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if (currentValue != lowLimit){
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setValue(lowLimit, true);
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} |
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}}); |
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btnFastBackward.setIcon(new ImageIcon(getClass().getResource("images/fastbackward.png"))); |
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} |
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return btnFastBackward;
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} |
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/**
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* This method initializes btnBackward
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*
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* @return javax.swing.JButton
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*/
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private JButton getBtnBackward() { |
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if (btnBackward == null) { |
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btnBackward = new JButton(); |
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if (orientation==VERTICAL){
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btnBackward.setBounds(7, 21, 20, 24); |
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}else{
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btnBackward.setBounds(21, 1, 20, 24); |
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} |
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btnBackward.setEnabled(itemCount!=0);
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btnBackward.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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if (currentValue > lowLimit ){
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setValue(currentValue-1, true); |
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} |
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}}); |
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btnBackward.setIcon(new ImageIcon(getClass().getResource("images/backward.png"))); |
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} |
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return btnBackward;
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} |
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/**
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* This method initializes txtItemCountDisplay
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*
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* @return javax.swing.JTextField
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*/
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private JTextField getTxtItemCountDisplay() { |
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if (txtItemCountDisplay == null) { |
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txtItemCountDisplay = new JTextField(); |
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txtItemCountDisplay.setEnabled(itemCount!=0);
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txtItemCountDisplay.setHorizontalAlignment(javax.swing.JTextField.CENTER); |
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if (orientation==VERTICAL){
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txtItemCountDisplay.setBounds(2,43, 33, 23); |
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} else {
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txtItemCountDisplay.setBounds(43, 2, 144, 23); |
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} |
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txtItemCountDisplay.setText(lowLimit+" / "+itemCount);
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txtItemCountDisplay.addMouseListener(new java.awt.event.MouseAdapter() {
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public void mouseClicked(java.awt.event.MouseEvent e) { |
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txtItemCountDisplay.setText(currentValue+"");
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txtItemCountDisplay.setSelectionStart(0);
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txtItemCountDisplay.setSelectionEnd(txtItemCountDisplay.getText().length()); |
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} |
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}); |
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txtItemCountDisplay.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent e) { |
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try {
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int v = Integer.parseInt(txtItemCountDisplay.getText()); |
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v = (v>itemCount) ? itemCount : v; |
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setValue(v, true);
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} catch (Exception ex){ |
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refreshText(currentValue); |
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} |
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txtItemCountDisplay.transferFocusDownCycle(); |
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} |
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}); |
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txtItemCountDisplay.setEnabled(false);
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} |
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return txtItemCountDisplay;
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} |
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/**
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* This, sets the bean value and triggers an event that can be captured
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* by a listener.
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* @param number
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* @param fireEvent, if true then this method will fire the event. If false,
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* then the value will be changed silently.
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*
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*/
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public void setValue(int number, boolean fireEvent) { |
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if (number < lowLimit)
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number = lowLimit; |
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if (number > itemCount-1) |
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number = itemCount; |
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if (number != currentValue) {
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currentValue = number; |
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refreshControls(); |
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if (fireEvent)
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callValueChanged(new Integer(currentValue)); |
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} |
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} |
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/**
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* Refreshes all the mutable controls in this component.
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*/
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private void refreshControls() { |
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int normalizedValue = (int) ((currentValue / (float) itemCount)*100); |
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refreshSlider(normalizedValue); |
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refreshText(currentValue); |
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} |
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/**
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* Sets the slider to the correct (scaled) position.
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* @param normalizedValue
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*/
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private void refreshSlider(int normalizedValue) { |
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refreshing = true;
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getSlider().setValue(normalizedValue); |
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refreshing = false;
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} |
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/**
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* @param string
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*/
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private void refreshText(int value) { |
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String newText = (value+1) +" / "+itemCount; |
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if (!getTxtItemCountDisplay().getText().equals(newText))
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getTxtItemCountDisplay().setText(newText); |
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} |
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/**
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* This method initializes btnForward
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*
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* @return javax.swing.JButton
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*/
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private JButton getBtnForward() { |
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if (btnForward == null) { |
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btnForward = new JButton(); |
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if (orientation==VERTICAL){
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btnForward.setBounds(7, 67, 20, 24); |
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}else{
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btnForward.setBounds(189, 1, 20, 24); |
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} |
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btnForward.setEnabled(itemCount!=0);
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btnForward.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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if (currentValue < itemCount-1){ |
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setValue(currentValue+1, true); |
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} |
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}}); |
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btnForward.setIcon(new ImageIcon(getClass().getResource("images/forward.png"))); |
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} |
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return btnForward;
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} |
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/**
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* This method initializes btnFastForward
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*
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* @return javax.swing.JButton
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*/
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private JButton getBtnFastForward() { |
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if (btnFastForward == null) { |
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btnFastForward = new JButton(); |
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if (orientation==VERTICAL){
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btnFastForward.setBounds(7, 91, 20, 24); |
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}else{
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btnFastForward.setBounds(208, 1, 20, 24); |
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} |
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btnFastForward.setEnabled(itemCount!=0);
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btnFastForward.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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if (currentValue < itemCount-1){ |
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setValue(itemCount-1, true); |
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} |
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}}); |
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btnFastForward.setIcon(new ImageIcon(getClass().getResource("images/fastforward.png"))); |
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} |
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return btnFastForward;
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} |
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/**
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* This method initializes sliderPanel
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*
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* @return javax.swing.JPanel
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*/
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private JPanel getSliderPanel() { |
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if (sliderPanel == null) { |
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sliderPanel = new JPanel(); |
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sliderPanel.setLayout(null);
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sliderPanel.setName("sliderPanel");
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if (orientation==VERTICAL){
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sliderPanel.setBounds(3, 0, 35, 181); |
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}else{
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sliderPanel.setBounds(5, 0, 300, 26); |
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} |
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sliderPanel.setEnabled(false);
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sliderPanel.add(getSlider(), null);
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} |
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return sliderPanel;
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} |
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/**
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* This method initializes slider
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*
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* @return javax.swing.JSlider
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*/
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private JSlider getSlider() { |
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if (slider == null) { |
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slider = new JSlider(); |
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slider.setValue(0);
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if (orientation==VERTICAL){
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slider.setOrientation(JSlider.VERTICAL);
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slider.setSize(24, 230); |
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}else{
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slider.setOrientation(JSlider.HORIZONTAL);
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slider.setSize(230, 24); |
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} |
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slider.setLocation(0, 1); |
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slider.setEnabled(itemCount!=0);
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slider.addMouseListener(new java.awt.event.MouseAdapter() {
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public void mouseReleased(java.awt.event.MouseEvent e) { |
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int value = (int) (getSlider().getValue() * itemCount * 0.01); |
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if (value >= itemCount)
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value = itemCount - 1;
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refreshText(value); |
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setValue(value, false);
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} |
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}); |
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slider.addChangeListener(new javax.swing.event.ChangeListener() {
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public void stateChanged(javax.swing.event.ChangeEvent e) { |
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int value = (int) (getSlider().getValue() * itemCount * 0.01); |
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if (value >= itemCount)
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value = itemCount - 1;
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refreshText(value); |
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if (!refreshing)
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callValueChanged(new Integer(value)); |
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} |
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}); |
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} |
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return slider;
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} |
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/**
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* Sets the amount of items that this component will handle.
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* @param count
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*/
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public void setItemCount(int count){ |
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itemCount = count; |
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getSlider().setEnabled(count != 0);
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getBtnFastBackward().setEnabled(count != 0);
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getBtnBackward().setEnabled(count != 0);
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getTxtItemCountDisplay().setEnabled(count != 0);
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getBtnForward().setEnabled(count != 0);
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getBtnFastForward().setEnabled(count != 0);
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} |
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/**
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* Sets the starting point if none is defined the pager will start from 0.
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* @param initial position
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*/
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public void setStartingPosition(int initialPosition) { |
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lowLimit = initialPosition; |
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} |
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public void setCurrentPosition(int pos) { |
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setValue(pos, true);
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} |
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} // @jve:decl-index=0:visual-constraint="10,15"
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