platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/match/ArrangementMatchingRulesPanel.java

   1 /*
   2  * Copyright 2000-2012 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.application.options.codeStyle.arrangement.match;
  17
  18 import com.intellij.application.options.codeStyle.arrangement.ArrangementConstants;
  19 import com.intellij.application.options.codeStyle.arrangement.ArrangementNodeDisplayManager;
  20 import com.intellij.application.options.codeStyle.arrangement.color.ArrangementColorsProvider;
  21 import com.intellij.application.options.codeStyle.arrangement.util.TitleWithToolbar;
  22 import com.intellij.ide.ui.customization.CustomizationUtil;
  23 import com.intellij.openapi.actionSystem.DataProvider;
  24 import com.intellij.openapi.application.ApplicationBundle;
  25 import com.intellij.psi.codeStyle.arrangement.match.StdArrangementMatchRule;
  26 import com.intellij.psi.codeStyle.arrangement.settings.ArrangementStandardSettingsAware;
  27 import com.intellij.ui.components.JBScrollPane;
  28 import com.intellij.util.ui.GridBag;
  29 import org.jetbrains.annotations.NonNls;
  30 import org.jetbrains.annotations.NotNull;
  31 import org.jetbrains.annotations.Nullable;
  32
  33 import javax.swing.*;
  34 import java.awt.*;
  35 import java.util.List;
  36
  37 /**
  38  * @author Denis Zhdanov
  39  * @since 10/30/12 5:28 PM
  40  */
  41 public class ArrangementMatchingRulesPanel extends JPanel implements DataProvider {
  42
  43   @NotNull private final ArrangementMatchingRulesControl myControl;
  44
  45   public ArrangementMatchingRulesPanel(@NotNull ArrangementNodeDisplayManager displayManager,
  46                                        @NotNull ArrangementColorsProvider colorsProvider,
  47                                        @NotNull ArrangementStandardSettingsAware settingsFilter)
  48   {
  49     super(new GridBagLayout());
  50
  51     JBScrollPane scrollPane = new JBScrollPane();
  52     final JViewport viewport = scrollPane.getViewport();
  53     ArrangementMatchingRulesControl.RepresentationCallback callback = new ArrangementMatchingRulesControl.RepresentationCallback() {
  54       @Override
  55       public void ensureVisible(@NotNull Rectangle r) {
  56         Rectangle visibleRect = viewport.getViewRect();
  57         if (r.y <= visibleRect.y) {
  58           return;
  59         }
  60
  61         int excessiveHeight = r.y + r.height - (visibleRect.y + visibleRect.height);
  62         if (excessiveHeight <= 0) {
  63           return;
  64         }
  65
  66         int verticalShift = Math.min(r.y - visibleRect.y, excessiveHeight);
  67         if (verticalShift > 0) {
  68           viewport.setViewPosition(new Point(visibleRect.x, visibleRect.y + verticalShift));
  69         }
  70       }
  71     };
  72     myControl = new ArrangementMatchingRulesControl(displayManager, colorsProvider, settingsFilter, callback);
  73     scrollPane.setViewportView(myControl);
  74     CustomizationUtil.installPopupHandler(
  75       myControl, ArrangementConstants.ACTION_GROUP_MATCHING_RULES_CONTEXT_MENU, ArrangementConstants.RULE_EDITOR_PLACE
  76     );
  77
  78     TitleWithToolbar top = new TitleWithToolbar(
  79       ApplicationBundle.message("arrangement.settings.section.match"),
  80       ArrangementConstants.ACTION_GROUP_MATCHING_RULES_CONTROL_TOOLBAR,
  81       ArrangementConstants.MATCHING_RULES_CONTROL_TOOLBAR_PLACE,
  82       myControl
  83     );
  84     add(top, new GridBag().coverLine().fillCellHorizontally().weightx(1));
  85     add(scrollPane, new GridBag().fillCell().weightx(1).weighty(1));
  86   }
  87
  88   @NotNull
  89   public List<StdArrangementMatchRule> getRules() {
  90     return myControl.getRules();
  91   }
  92
  93   public void setRules(@Nullable List<StdArrangementMatchRule> rules) {
  94     myControl.setRules(rules);
  95   }
  96
  97   @Nullable
  98   @Override
  99   public Object getData(@NonNls String dataId) {
 100     if (ArrangementConstants.MATCHING_RULES_CONTROL_KEY.is(dataId)) {
 101       return myControl;
 102     }
 103     return null;
 104   }
 105 }