[INTERNAL] table editor scrolling

Fixes #164

Author: SeeSharpSoft

.travis.yml

@@ -5,8 +5,7 @@ jdk:
 env:
   - IDEA_VERSION=IC-2017.3.1 GRAMMAR_KIT_VERSION=2017.1.2
   - IDEA_VERSION=IC-2018.3.2 GRAMMAR_KIT_VERSION=2017.1.7
-  - IDEA_VERSION=IC-2019.1.3 GRAMMAR_KIT_VERSION=2017.1.7
-#  - IDEA_VERSION=PC-LATEST-EAP-SNAPSHOT GRAMMAR_KIT_VERSION=07f30a1e7666f36ae780f614b6bbc89690ba36c3
+  - IDEA_VERSION=PC-LATEST-EAP-SNAPSHOT GRAMMAR_KIT_VERSION=2019.3
 
 script: xvfb-run gradle check
 

CHANGELOG

@@ -1,3 +1,8 @@
+2.8.1
+Nov 22, 2019
+
+FIX: scrolling within table editor #164
+
 2.8.0
 Oct 12, 2019
 

build.gradle

@@ -24,7 +24,7 @@ jacocoTestReport {
 }
 
 group 'net.seesharpsoft.intellij.plugins'
-version '2.8.0'
+version '2.8.1'
 
 apply plugin: 'java'
 sourceCompatibility = javaVersion
@@ -71,7 +71,7 @@ idea {
 apply plugin: 'org.jetbrains.intellij'
 intellij {
     // IDE version - https://www.jetbrains.com/intellij-repository/releases
-    version = System.getenv().getOrDefault('IDEA_VERSION', 'IC-191.5701.16')
+    version = System.getenv().getOrDefault('IDEA_VERSION', 'IC-2019.1.3')
     pluginName = 'CSV Plugin'
     instrumentCode = true
     updateSinceUntilBuild = false
@@ -98,7 +98,7 @@ grammarKit {
     jflexRelease = '1.7.0-1'
 
     // tag or short commit hash of Grammar-Kit to use - https://github.com/JetBrains/Grammar-Kit
-    grammarKitRelease = System.getenv().getOrDefault('GRAMMAR_KIT_VERSION', '2017.1.7')
+    grammarKitRelease = System.getenv().getOrDefault('GRAMMAR_KIT_VERSION', '2019.1.1')
 }
 
 import org.jetbrains.grammarkit.tasks.GenerateLexer

src/main/java/net/seesharpsoft/intellij/plugins/csv/editor/table/swing/CsvTableEditorMouseWheelListener.java

@@ -1,26 +1,32 @@
 package net.seesharpsoft.intellij.plugins.csv.editor.table.swing;
 
+import javax.swing.*;
 import java.awt.event.MouseWheelEvent;
 import java.awt.event.MouseWheelListener;
 
 public class CsvTableEditorMouseWheelListener extends CsvTableEditorUtilBase implements MouseWheelListener {
 
-    public static final int SCROLL_FACTOR = 3;
+    public static final int ZOOM_FACTOR = 3;
+
+    protected static final int SCROLL_FACTOR = 100;
 
     public CsvTableEditorMouseWheelListener(CsvTableEditorSwing csvTableEditorArg) {
         super(csvTableEditorArg);
     }
 
     @Override
     public void mouseWheelMoved(MouseWheelEvent mouseWheelEvent) {
-
         if (mouseWheelEvent.isControlDown()) {
             int scrolled = mouseWheelEvent.getUnitsToScroll();
-            int amount = -(scrolled / SCROLL_FACTOR);
+            int amount = -(scrolled / ZOOM_FACTOR);
             if (amount == 0) {
                 return;
             }
             csvTableEditor.changeFontSize(amount);
+        } else {
+            JScrollPane scrollPane = csvTableEditor.getTableScrollPane();
+            JScrollBar vScrollbar = scrollPane.getVerticalScrollBar();
+            vScrollbar.setValue(vScrollbar.getValue() + (int)(SCROLL_FACTOR * mouseWheelEvent.getPreciseWheelRotation()));
         }
     }
 }

src/main/java/net/seesharpsoft/intellij/plugins/csv/editor/table/swing/CsvTableEditorSwing.form

@@ -218,7 +218,7 @@
           </grid>
         </children>
       </scrollpane>
-      <scrollpane id="6b9c5">
+      <scrollpane id="6b9c5" binding="tableScrollPane">
         <constraints>
           <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
         </constraints>

src/main/java/net/seesharpsoft/intellij/plugins/csv/editor/table/swing/CsvTableEditorSwing.java

@@ -58,6 +58,7 @@ public class CsvTableEditorSwing extends CsvTableEditor implements TableDataChan
     private JCheckBox cbFixedHeaders;
     private JCheckBox cbAutoColumnWidthOnOpen;
     protected LinkLabel lnkAdjustColumnWidth;
+    private JScrollPane tableScrollPane;
 
     private JTable rowHeadersTable;
 
@@ -340,6 +341,10 @@ protected JBTable getTable() {
         return this.tblEditor;
     }
 
+    protected JScrollPane getTableScrollPane() {
+        return this.tableScrollPane;
+    }
+
     protected DefaultTableModel getTableModel() {
         return (DefaultTableModel) tblEditor.getModel();
     }

src/main/resources/META-INF/plugin.xml

@@ -44,8 +44,7 @@
 
     <change-notes><![CDATA[
         <pre style="font-family: sans-serif">
-NEW: improved font handling in table editor #122
-FIX: proper font handling in balloon tooltips
+FIX: scrolling within table editor #164
 
 NOTE: IDE versions prior to 2017.3.* are no longer supported!
       </pre>

src/test/java/net/seesharpsoft/intellij/plugins/csv/editor/table/swing/CsvTableEditorMouseWheelListenerTest.java

@@ -1,29 +1,48 @@
 package net.seesharpsoft.intellij.plugins.csv.editor.table.swing;
 
-import net.seesharpsoft.intellij.plugins.csv.editor.table.CsvTableEditor;
 import org.mockito.Mockito;
 
 import javax.swing.*;
-import java.awt.event.InputEvent;
-import java.awt.event.MouseEvent;
 import java.awt.event.MouseWheelEvent;
 
 public class CsvTableEditorMouseWheelListenerTest extends CsvTableEditorSwingTestBase {
 
-    public void testWheeledOnCsvTable() {
+    @Override
+    protected String getTestFile() { return "AnyFile.csv"; }
+
+    public void testZoomOnCsvTable() {
         CsvTableEditorSwing fileEditor = Mockito.spy(this.fileEditor);
-        
+
         MouseWheelEvent wheelEvent = new MouseWheelEvent(fileEditor.getTable(),
                 MouseWheelEvent.MOUSE_WHEEL,JComponent.WHEN_FOCUSED,
                 MouseWheelEvent.CTRL_MASK,0,0,0,false,MouseWheelEvent.WHEEL_UNIT_SCROLL,
         3,-1);
 
         CsvTableEditorMouseWheelListener spiedMouseWheelListener = fileEditor.tableEditorMouseWheelListener;
 
-        int size=fileEditor.getTable().getFont().getSize();
+        int size = fileEditor.getTable().getFont().getSize();
+        spiedMouseWheelListener.mouseWheelMoved(wheelEvent);
+        int new_size = fileEditor.getTable().getFont().getSize();
+
+        assertEquals(size + 1, new_size);
+    }
+
+    public void testScrollOnCsvTable() {
+        CsvTableEditorSwing fileEditor = Mockito.spy(this.fileEditor);
+
+        MouseWheelEvent wheelEvent = new MouseWheelEvent(fileEditor.getTable(),
+                MouseWheelEvent.MOUSE_WHEEL,JComponent.WHEN_FOCUSED,
+                0,0,0,0,false, MouseWheelEvent.WHEEL_UNIT_SCROLL,
+                1,1);
+
+        CsvTableEditorMouseWheelListener spiedMouseWheelListener = fileEditor.tableEditorMouseWheelListener;
+
+        int scrollValue = fileEditor.getTableScrollPane().getVerticalScrollBar().getValue();
+        assertEquals(0, scrollValue);
         spiedMouseWheelListener.mouseWheelMoved(wheelEvent);
-        int new_size=fileEditor.getTable().getFont().getSize();
+        scrollValue = fileEditor.getTableScrollPane().getVerticalScrollBar().getValue();
 
-        assertTrue(new_size == size + 1);
+        // 90 is max in this case
+        assertEquals(90, scrollValue);
     }
 }

src/test/java/net/seesharpsoft/intellij/plugins/csv/editor/table/swing/CsvTableEditorSwingTestBase.java

@@ -19,11 +19,13 @@ protected String getTestDataPath() {
         return "./src/test/resources/editor";
     }
 
+    protected String getTestFile() { return "TableEditorFile.csv"; }
+
     @Override
     protected void setUp() throws Exception {
         super.setUp();
         initializeEditorSettings(CsvEditorSettingsExternalizable.getInstance());
-        myFixture.configureByFiles("TableEditorFile.csv");
+        myFixture.configureByFiles(getTestFile());
 
         fileEditor = new CsvTableEditorSwing(this.getProject(), myFixture.getFile().getVirtualFile());
         fileEditor.selectNotify();