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package org.basex.gui.dialog;

import static org.basex.core.Text.*;

import javax.swing.*;
import javax.swing.UIManager.LookAndFeelInfo;

import org.basex.gui.*;
import org.basex.gui.layout.*;
import org.basex.util.*;
import org.basex.util.list.*;

/**
 * Visualization preferences.
 *
 * @author BaseX Team 2005-22, BSD License
 * @author Christian Gruen
 */
final class DialogVisualPrefs extends BaseXBack {
  /** GUI reference. */
  private final GUI gui;
  /** Wrap tabs. */
  private final BaseXCheckBox scrollTabs;
  /** Show names checkbox. */
  private final BaseXTextField labels;

  /** Slim rectangles to text length. */
  private final BaseXCheckBox treeSlims;
  /** Show attributes. */
  private final BaseXCheckBox treeAtts;

  /** Algorithm combobox. */
  private final BaseXCombo mapAlgo;
  /** Layout slider. */
  private final BaseXSlider mapWeight;
  /** Show attributes. */
  private final BaseXCheckBox mapAtts;
  /** Focus checkbox. */
  private final BaseXCheckBox mousefocus;
  /** Select layout algorithm. */
  private final BaseXCombo mapOffsets;
  /** Simple file dialog checkbox. */
  private final BaseXCombo lookfeel;

  /** Look and feels. */
  private final StringList classes = new StringList();

  /**
   * Default constructor.
   * @param dialog dialog reference
   */
  DialogVisualPrefs(final BaseXDialog dialog) {
    border(8).setLayout(new ColumnLayout(40));
    gui = dialog.gui();

    final GUIOptions gopts = gui.gopts;
    scrollTabs = new BaseXCheckBox(dialog, SCROLL_TABS, GUIOptions.SCROLLTABS, gopts);
    labels = new BaseXTextField(dialog, GUIOptions.LABELS, gopts);
    mousefocus = new BaseXCheckBox(dialog, RT_FOCUS, GUIOptions.MOUSEFOCUS, gopts);
    treeSlims = new BaseXCheckBox(dialog, ADJUST_NODES, GUIOptions.TREESLIMS, gopts);
    treeAtts = new BaseXCheckBox(dialog, SHOW_ATTS, GUIOptions.TREEATTS, gopts);
    mapAlgo = new BaseXCombo(dialog, GUIOptions.MAPALGO, gopts, MAP_LAYOUTS);
    mapOffsets = new BaseXCombo(dialog, GUIOptions.MAPOFFSETS, gopts, MAP_CHOICES);
    mapWeight = new BaseXSlider(dialog, 0, 100, GUIOptions.MAPWEIGHT, gopts);
    mapAtts = new BaseXCheckBox(dialog, SHOW_ATTS, GUIOptions.MAPATTS, gopts);
    mapAlgo.setSize(200, 100);
    labels.setColumns(18);
    BaseXLayout.setWidth(mapWeight, 150);

    final StringList lafs = new StringList("(default)");
    classes.add("");
    int i = 0, c = 0;
    final String laf = gopts.get(GUIOptions.LOOKANDFEEL);
    for(final String clzz : lf()) {
      lafs.add(clzz.replaceAll("^.*\\.|LookAndFeel$", ""));
      classes.add(clzz);
      c++;
      if(clzz.equals(laf)) i = c;
    }
    lookfeel = new BaseXCombo(dialog, lafs.finish());
    lookfeel.setSelectedIndex(i);

    BaseXBack p = new BaseXBack().layout(new RowLayout(8)), pp;
    pp = new BaseXBack(new RowLayout());
    pp.add(new BaseXLabel(JAVA_LF + COL, true, true));
    pp.add(lookfeel);
    pp.add(Box.createVerticalStrut(8));
    pp.add(scrollTabs);
    p.add(pp);

    pp = new BaseXBack(new RowLayout());
    pp.add(new BaseXLabel(GENERAL + COL, true, true));
    pp.add(mousefocus);
    p.add(pp);

    pp = new BaseXBack(new RowLayout());
    pp.add(new BaseXLabel(LABEL_ATTS + COL, true, true));
    pp.add(labels);
    p.add(pp);

    add(p);

    p = new BaseXBack(new RowLayout());
    p.add(new BaseXLabel(MAP + COL, true, true));

    pp = new BaseXBack(new TableLayout(2, 2, 8, 8));
    pp.add(new BaseXLabel(ALGORITHM + COL));
    pp.add(mapAlgo);
    pp.add(new BaseXLabel(OFFSETS + COL));
    pp.add(mapOffsets);
    p.add(pp);

    pp = new BaseXBack(new RowLayout(8));
    pp.add(new BaseXLabel(RATIO + COLS));
    pp.add(mapWeight);
    pp.add(mapAtts);
    p.add(pp);

    pp = new BaseXBack(new RowLayout());
    pp.add(new BaseXLabel(TREE + COL, true, true));
    pp.add(treeSlims);
    pp.add(treeAtts);
    p.add(pp);

    add(p);
  }

  /**
   * Reacts on user input.
   * @return success flag
   */
  boolean action() {
    mousefocus.assign();
    treeSlims.assign();
    treeAtts.assign();
    mapAtts.assign();
    scrollTabs.assign();
    labels.assign();
    mapWeight.assign();
    mapAlgo.assign();
    mapOffsets.assign();
    gui.gopts.set(GUIOptions.LOOKANDFEEL, classes.get(lookfeel.getSelectedIndex()));
    return true;
  }

  /** Look and feels. */
  private static final String[] LOOKANDFEELS = {
    // http://www.jtattoo.net/
    "com.jtattoo.plaf.acryl.AcrylLookAndFeel",
    "com.jtattoo.plaf.aero.AeroLookAndFeel",
    "com.jtattoo.plaf.aluminium.AluminiumLookAndFeel",
    "com.jtattoo.plaf.bernstein.BernsteinLookAndFeel",
    "com.jtattoo.plaf.fast.FastLookAndFeel",
    "com.jtattoo.plaf.graphite.GraphiteLookAndFeel",
    "com.jtattoo.plaf.hifi.HiFiLookAndFeel",
    "com.jtattoo.plaf.luna.LunaLookAndFeel",
    "com.jtattoo.plaf.mcwin.McWinLookAndFeel",
    "com.jtattoo.plaf.mint.MintLookAndFeel",
    "com.jtattoo.plaf.noire.NoireLookAndFeel",
    "com.jtattoo.plaf.smart.SmartLookAndFeel",
    "com.jtattoo.plaf.texture.TextureLookAndFeel",
  };

  /**
   * Returns available look and feels.
   * @return string list
   */
  private static StringList lf() {
    final StringList sl = new StringList();
    for(final LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
      sl.add(laf.getClassName());
    }
    for(final String laf : LOOKANDFEELS) {
      if(Reflect.find(laf) != null) sl.add(laf);
    }
    return sl;
  }
}