// License: GPL. For details, see LICENSE file. package org.openstreetmap.josm.actions; import static org.openstreetmap.josm.tools.I18n.tr; import java.awt.Component; import java.awt.GridBagLayout; import java.util.List; import javax.swing.DefaultComboBoxModel; import javax.swing.DefaultListCellRenderer; import javax.swing.Icon; import javax.swing.JComboBox; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JOptionPane; import javax.swing.JPanel; import org.openstreetmap.josm.Main; import org.openstreetmap.josm.gui.ExtendedDialog; import org.openstreetmap.josm.gui.layer.Layer; import org.openstreetmap.josm.tools.GBC; import org.openstreetmap.josm.tools.Shortcut; public abstract class AbstractMergeAction extends JosmAction { /** * the list cell renderer used to render layer list entries * */ static public class LayerListCellRenderer extends DefaultListCellRenderer { protected boolean isActiveLayer(Layer layer) { if (Main.isDisplayingMapView()) return false; return Main.map.mapView.getActiveLayer() == layer; } @Override public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { Layer layer = (Layer) value; JLabel label = (JLabel) super.getListCellRendererComponent(list, layer.getName(), index, isSelected, cellHasFocus); Icon icon = layer.getIcon(); label.setIcon(icon); label.setToolTipText(layer.getToolTipText()); return label; } } public AbstractMergeAction() { super(); } public AbstractMergeAction(String name, String iconName, String tooltip, Shortcut shortcut, boolean register) { super(name, iconName, tooltip, shortcut, register); } protected Layer askTargetLayer(List targetLayers) { JComboBox layerList = new JComboBox(); layerList.setRenderer(new LayerListCellRenderer()); layerList.setModel(new DefaultComboBoxModel(targetLayers.toArray())); layerList.setSelectedIndex(0); JPanel pnl = new JPanel(); pnl.setLayout(new GridBagLayout()); pnl.add(new JLabel(tr("Please select the target layer.")), GBC.eol()); pnl.add(layerList, GBC.eol()); ExtendedDialog ed = new ExtendedDialog(Main.parent, tr("Select target layer"), new String[] { tr("Merge"), tr("Cancel") }); ed.setButtonIcons(new String[] { "dialogs/mergedown", "cancel" }); ed.setContent(pnl); ed.showDialog(); if (ed.getValue() != 1) return null; Layer targetLayer = (Layer) layerList.getSelectedItem(); return targetLayer; } protected void warnNoTargetLayersForSourceLayer(Layer sourceLayer) { JOptionPane.showMessageDialog(Main.parent, tr("There are no layers the source layer
''{0}''
could be merged to."), tr("No target layers"), JOptionPane.WARNING_MESSAGE); } }