gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.swing / org.gvsig.tools.swing.impl / src / main / java / org / gvsig / tools / swing / impl / bookmarkshistory / DefaultBookmarksPanel.java @ 1990
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package org.gvsig.tools.swing.impl.bookmarkshistory; |
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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.DefaultListModel; |
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import javax.swing.event.ListSelectionEvent; |
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import javax.swing.event.ListSelectionListener; |
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import org.gvsig.tools.bookmarksandhistory.Bookmark; |
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import org.gvsig.tools.bookmarksandhistory.Bookmarks; |
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public class DefaultBookmarksPanel<T> extends DefaultBookmarksPanelView { |
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private static final int STATE_VIEWING = 0; |
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private static final int STATE_MODIFYING = 1; |
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private Bookmarks<T> bookmarks;
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private static class BookmarkListModel extends DefaultListModel<Bookmark> { |
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public void contentsChanged() { |
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super.fireContentsChanged(this, 0, this.getSize()); |
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} |
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} |
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private int state; |
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private Bookmark<T> currentBookmark;
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private BookmarkListModel bookmarkListModel;
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public DefaultBookmarksPanel(Bookmarks<T> bookmarks) {
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this(bookmarks, null); |
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} |
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public DefaultBookmarksPanel(Bookmarks<T> bookmarks, T value) {
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this.bookmarks = bookmarks;
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this.state = STATE_VIEWING;
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if (value != null) { |
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Bookmark<T> bookmark = bookmarks.add(value); |
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this.put(bookmark);
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this.changeStateTo(STATE_MODIFYING);
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} |
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this.initComponents();
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} |
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private void initComponents() { |
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this.currentBookmark = null; |
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this.bookmarkListModel = this.createBookmarksModel(); |
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this.lstBookmarks.setModel(this.bookmarkListModel); |
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this.lstBookmarks.addListSelectionListener(new ListSelectionListener() { |
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@Override
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public void valueChanged(ListSelectionEvent e) { |
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if (e.getValueIsAdjusting()) {
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return;
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} |
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if (state != STATE_VIEWING) {
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return;
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} |
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Bookmark value = (Bookmark) lstBookmarks.getSelectedValue(); |
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if (value == null) { |
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return;
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} |
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put(value); |
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changeStateTo(state); |
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} |
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}); |
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this.btnDelete.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doDelete(); |
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} |
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}); |
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this.btnModify.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doModify(); |
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} |
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}); |
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this.btnAccept.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doAccept(); |
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} |
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}); |
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this.btnDiscard.addActionListener(new ActionListener() { |
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@Override
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public void actionPerformed(ActionEvent e) { |
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doDiscard(); |
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} |
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}); |
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this.txtLastUse.setEditable(false); |
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this.txtLabel.setEditable(false); |
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this.changeStateTo(STATE_VIEWING);
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this.setPreferredSize(new Dimension(450, 350)); |
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} |
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private BookmarkListModel createBookmarksModel() {
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BookmarkListModel model = new BookmarkListModel();
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for (Bookmark<T> bookmark : bookmarks) {
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model.addElement(bookmark); |
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} |
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return model;
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} |
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public Bookmark<T> getSelectedValue() {
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return this.currentBookmark; |
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} |
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private void put(Bookmark<T> bookmark) { |
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this.currentBookmark = bookmark;
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this.txtLabel.setText(bookmark.getLabel());
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this.txtLabel.setCaretPosition(0); |
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this.txtName.setText(bookmark.getName());
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this.txtLastUse.setText(String.valueOf(bookmark.getLastUse())); |
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} |
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private void fetch(Bookmark<T> bookmark) { |
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bookmark.setName(this.txtName.getText());
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} |
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private void doDelete() { |
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Bookmark<T> bookmark = (Bookmark<T>) this.lstBookmarks.getSelectedValue();
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if (bookmark == null) { |
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return;
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} |
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bookmarks.remove(bookmark.getName()); |
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this.bookmarkListModel = this.createBookmarksModel(); |
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this.lstBookmarks.setModel(this.bookmarkListModel); |
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this.changeStateTo(STATE_VIEWING);
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} |
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private void doModify() { |
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Bookmark<T> bookmark = (Bookmark<T>) this.lstBookmarks.getSelectedValue();
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if (bookmark == null) { |
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return;
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} |
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this.put(bookmark);
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this.changeStateTo(STATE_MODIFYING);
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} |
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private void doAccept() { |
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Bookmark<T> bookmark = (Bookmark<T>) this.lstBookmarks.getSelectedValue();
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if (bookmark == null) { |
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return;
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} |
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this.fetch(bookmark);
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this.bookmarkListModel.contentsChanged();
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this.changeStateTo(STATE_VIEWING);
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} |
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private void doDiscard() { |
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Bookmark<T> bookmark = (Bookmark<T>) this.lstBookmarks.getSelectedValue();
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if (bookmark == null) { |
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return;
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} |
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this.put(bookmark);
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this.changeStateTo(STATE_VIEWING);
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} |
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private void changeStateTo(int newstate) { |
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switch (newstate) {
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case STATE_VIEWING:
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this.btnAccept.setEnabled(false); |
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this.btnDelete.setEnabled(true); |
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this.btnDiscard.setEnabled(false); |
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this.btnModify.setEnabled(true); |
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this.txtName.setEnabled(false); |
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this.txtLastUse.setEnabled(false); |
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this.txtLabel.setEnabled(false); |
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break;
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case STATE_MODIFYING:
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this.btnAccept.setEnabled(true); |
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this.btnDelete.setEnabled(true); |
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this.btnDiscard.setEnabled(true); |
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this.btnModify.setEnabled(false); |
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this.txtName.setEnabled(true); |
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this.txtLastUse.setEnabled(true); |
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this.txtLabel.setEnabled(true); |
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break;
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} |
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this.state = newstate;
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} |
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} |