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/**
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* Rozšířené atributy – program na správu rozšířených atributů souborů
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* Copyright © 2012 František Kučera (frantovo.cz)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*/
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package cz.frantovo.rozsireneAtributy.jedit;
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import cz.frantovo.rozsireneAtributy.gui.Model;
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import cz.frantovo.rozsireneAtributy.gui.Panel;
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import java.awt.BorderLayout;
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import java.io.File;
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import java.io.IOException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import org.gjt.sp.jedit.Buffer;
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import org.gjt.sp.jedit.EBComponent;
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import org.gjt.sp.jedit.EBMessage;
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import org.gjt.sp.jedit.EditBus;
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import org.gjt.sp.jedit.View;
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import org.gjt.sp.jedit.msg.EditPaneUpdate;
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/**
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*
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* @author Ing. František Kučera (frantovo.cz)
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*/
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public class DokovatelnyPanel extends JPanel implements EBComponent {
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private static final Logger log = Logger.getLogger(DokovatelnyPanel.class.getName());
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private View view;
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private Panel panel;
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public DokovatelnyPanel(final View view, final String position) {
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this.view = view;
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setLayout(new BorderLayout());
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změňSoubor(view.getBuffer(), false);
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}
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/**
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* Zaregistrujeme se, aby nám chodily události editoru.
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*/
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@Override
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public void addNotify() {
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super.addNotify();
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EditBus.addToBus(this);
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}
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/**
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* @see #addNotify()
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*/
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@Override
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public void removeNotify() {
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super.removeNotify();
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EditBus.removeFromBus(this);
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}
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/**
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* Zpracujeme události editoru. Zajímá nás přepnutí na jiný soubor – abychom
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* pro něj zobrazili atributy.
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*
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* @param událost událost editoru
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*/
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@Override
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public void handleMessage(EBMessage událost) {
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try {
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if (událost instanceof EditPaneUpdate) {
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EditPaneUpdate epu = (EditPaneUpdate) událost;
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// Chodí nám všechny události – potřebujeme filtrovat jen ty pro naše okno.
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if (view == epu.getEditPane().getView()) {
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// zajímá nás jen přepnutí souboru
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if (epu.getWhat() == EditPaneUpdate.BUFFER_CHANGED) {
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/**
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* TODO: je soubor nově otevřený?
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*/
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změňSoubor(view.getBuffer(), epu.getWhat() == EditPaneUpdate.CREATED);
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}
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}
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}
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// událost instanceof BufferUpdate
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// událost instanceof PropertiesChanged
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} catch (Exception e) {
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log.log(Level.WARNING, "Chyba při zpracování události: " + událost, e);
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}
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}
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private void změňSoubor(Buffer b, boolean využijAtributy) {
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try {
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File s = new File(b.getPath());
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if (s.isFile() && s.canRead()) {
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Model m = new Model(s);
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if (panel == null) {
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panel = new Panel(m);
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removeAll();
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add(panel, BorderLayout.CENTER);
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} else {
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panel.setModel(m);
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}
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if (využijAtributy) {
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využijAtributy(m, b);
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}
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} else {
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// TODO: zobrazit chybu
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log.log(Level.WARNING, "Soubor neexistuje nebo nemáme práva na čtení: {0}", s);
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}
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} catch (IOException e) {
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log.log(Level.WARNING, "Chyba při změně souboru.", e);
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}
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}
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/**
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* Nastaví jEdit podle atributů daného souboru: - odsazování - kódování
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*
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* @param m model obsahující atributy
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* @param b soubor otevřený v editoru
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*/
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private void využijAtributy(Model m, Buffer b) {
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JOptionPane.showMessageDialog(panel, "Nový soubor!");
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}
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}
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