TextTool.java

/*
 * Copyright (c) 2014 tabletoptool.com team.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     rptools.com team - initial implementation
 *     tabletoptool.com team - further development
 */
package com.t3.client.tool;

import java.awt.Cursor;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.util.Map;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;

import com.jeta.forms.components.colors.JETAColorWell;
import com.t3.client.AppStyle;
import com.t3.client.ScreenPoint;
import com.t3.client.TabletopTool;
import com.t3.client.swing.AbeillePanel;
import com.t3.client.ui.zone.ZoneOverlay;
import com.t3.client.ui.zone.ZoneRenderer;
import com.t3.image.ImageUtil;
import com.t3.language.I18N;
import com.t3.model.Label;
import com.t3.model.ZonePoint;
import com.t3.swing.SwingUtil;

/**
 */
public class TextTool extends DefaultTool implements ZoneOverlay {
	private static final long serialVersionUID = -8944323545051996907L;

	private Label selectedLabel;

	private int dragOffsetX;
	private int dragOffsetY;
	private boolean isDragging;
	private boolean selectedNewLabel;

	public TextTool() {
		try {
			setIcon(new ImageIcon(ImageUtil.getImage("com/t3/client/image/tool/text-blue.png")));
		} catch (IOException ioe) {
			ioe.printStackTrace();
		}
	}

	@Override
	protected void attachTo(ZoneRenderer renderer) {
		renderer.setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR));
		super.attachTo(renderer);
		selectedLabel = null;
	}

	@Override
	protected void detachFrom(ZoneRenderer renderer) {
		renderer.setCursor(Cursor.getDefaultCursor());
		super.detachFrom(renderer);
	}

	@Override
	public String getTooltip() {
		return "tool.label.tooltip";
	}

	@Override
	public String getInstructions() {
		return "tool.label.instructions";
	}

	@Override
	public void paintOverlay(ZoneRenderer renderer, Graphics2D g) {
		if (selectedLabel != null && renderer.getLabelBounds(selectedLabel) != null) {
			AppStyle.selectedBorder.paintWithin(g, renderer.getLabelBounds(selectedLabel));
		}
	}

	@Override
	protected void installKeystrokes(Map<KeyStroke, Action> actionMap) {
		super.installKeystrokes(actionMap);

		actionMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), new AbstractAction() {
			@Override
			public void actionPerformed(ActionEvent e) {
				if (selectedLabel != null) {
					renderer.getZone().removeLabel(selectedLabel.getId());
					TabletopTool.serverCommand().removeLabel(renderer.getZone().getId(), selectedLabel.getId());
					selectedLabel = null;
					repaint();
				}
			}
		});
	}

	////
	// MOUSE
	@Override
	public void mousePressed(MouseEvent e) {
		Label label = renderer.getLabelAt(e.getX(), e.getY());
		if (label != selectedLabel) {
			selectedNewLabel = true;
			renderer.repaint();
		} else {
			selectedNewLabel = false;
		}
		if (label != null) {
			ScreenPoint sp = ScreenPoint.fromZonePoint(renderer, label.getX(), label.getY());
			dragOffsetX = (int) (e.getX() - sp.x);
			dragOffsetY = (int) (e.getY() - sp.y);
		}
		super.mousePressed(e);
	}

	@Override
	public void mouseReleased(MouseEvent e) {
		if (SwingUtilities.isLeftMouseButton(e)) {
			if (!isDragging) {
				Label label = renderer.getLabelAt(e.getX(), e.getY());
				if (label == null) {
					if (selectedLabel == null) {
						ZonePoint zp = new ScreenPoint(e.getX(), e.getY()).convertToZone(renderer);
						label = new Label("", zp.x, zp.y);
						selectedLabel = label;
					} else {
						selectedLabel = null;
						renderer.repaint();
						return;
					}
				} else {
					if (selectedNewLabel) {
						selectedLabel = label;
						renderer.repaint();
						return;
					}
				}
				EditLabelDialog dialog = new EditLabelDialog(label);
				dialog.setVisible(true);

				if (!dialog.isAccepted()) {
					return;
				}
				renderer.getZone().putLabel(label);
			}
			if (selectedLabel != null) {
				TabletopTool.serverCommand().putLabel(renderer.getZone().getId(), selectedLabel);
				renderer.repaint();
			}
		}
		isDragging = false;
		super.mouseReleased(e);
	}

	@Override
	public void mouseDragged(MouseEvent e) {
		super.mouseDragged(e);
		if (!isDragging) {
			// Setup
			Label label = renderer.getLabelAt(e.getX(), e.getY());
			if (selectedLabel == null || selectedLabel != label) {
				selectedLabel = label;
			}
			if (selectedLabel == null || SwingUtilities.isRightMouseButton(e)) {
				return;
			}
		}
		isDragging = true;

		ZonePoint zp = new ScreenPoint(e.getX() - dragOffsetX, e.getY() - dragOffsetY).convertToZone(renderer);

		selectedLabel.setX(zp.x);
		selectedLabel.setY(zp.y);
		renderer.repaint();
	}

	public class EditLabelDialog extends JDialog {
		private static final long serialVersionUID = 7621373725343873527L;

		private boolean accepted;

		public EditLabelDialog(Label label) {
			super(TabletopTool.getFrame(), I18N.getText("tool.label.dialogtitle"), true);
			setDefaultCloseOperation(DISPOSE_ON_CLOSE);

			EditLabelPanel panel = new EditLabelPanel(this);
			panel.bind(label);

			add(panel);
			getRootPane().setDefaultButton(panel.getOKButton());
			pack();
		}

		public boolean isAccepted() {
			return accepted;
		}

		@Override
		public void setVisible(boolean b) {
			if (b) {
				SwingUtil.centerOver(this, getOwner());
			}
			super.setVisible(b);
		}
	}

	public class EditLabelPanel extends AbeillePanel<Label> {
		private static final long serialVersionUID = 3307411310513003924L;

		private final EditLabelDialog dialog;

		public EditLabelPanel(EditLabelDialog dialog) {
			super("com/t3/client/ui/forms/editLabelDialog.xml");

			this.dialog = dialog;
			panelInit();

			getLabelTextField().setSelectionStart(0);
			getLabelTextField().setSelectionEnd(getLabelTextField().getText().length());
			getLabelTextField().setCaretPosition(getLabelTextField().getText().length());
		}

		@Override
		public void bind(Label model) {
			getColorWell().setColor(model.getForegroundColor());
			super.bind(model);
		}

		@Override
		public boolean commit() {
			getModel().setForegroundColor(getColorWell().getColor());
			return super.commit();
		}

		public JETAColorWell getColorWell() {
			return (JETAColorWell) getComponent("foregroundColor");
		}

		public JTextField getLabelTextField() {
			return (JTextField) getComponent("@label");
		}

		public JButton getOKButton() {
			return (JButton) getComponent("okButton");
		}

		public void initOKButton() {
			getOKButton().addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
					dialog.accepted = true;
					commit();
					close();
				}
			});
		}

		public void initCancelButton() {
			((JButton) getComponent("cancelButton")).addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
					close();
				}
			});
		}

		private void close() {
			dialog.setVisible(false);
		}
	}
}