]> source.dussan.org Git - vaadin-framework.git/commitdiff
Table handles both onMouseDown and onMouseUp events (#14347)
authorGuillermo Alvarez <guillermo@vaadin.com>
Tue, 19 Aug 2014 15:38:35 +0000 (18:38 +0300)
committerGuillermo Alvarez <guillermo@vaadin.com>
Mon, 1 Sep 2014 09:30:43 +0000 (09:30 +0000)
Now it has the same behaviour that the layout, and checks
that the element under the mouse matches to complete the
click action

Change-Id: I9c61dac24479913c1bb1094edaf8878749984342

client/src/com/vaadin/client/ui/VScrollTable.java
uitest/src/com/vaadin/tests/components/table/TableMatchesMouseDownMouseUpElement.java [new file with mode: 0644]
uitest/src/com/vaadin/tests/components/table/TableMatchesMouseDownMouseUpElementTest.java [new file with mode: 0644]

index cb90823a7f4deb79f886310eeca38b32ece3b3f6..e7d760cc4e16b0edc47ac907363194c992f601e5 100644 (file)
@@ -25,6 +25,8 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import com.google.gwt.core.client.JavaScriptObject;
 import com.google.gwt.core.client.Scheduler;
@@ -66,6 +68,8 @@ import com.google.gwt.regexp.shared.RegExp;
 import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.DOM;
 import com.google.gwt.user.client.Event;
+import com.google.gwt.user.client.Event.NativePreviewEvent;
+import com.google.gwt.user.client.Event.NativePreviewHandler;
 import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.FlowPanel;
@@ -763,6 +767,51 @@ public class VScrollTable extends FlowPanel implements HasWidgets,
 
     private HandlerRegistration addCloseHandler;
 
+    /**
+     * Changes to manage mouseDown and mouseUp
+     */
+    /**
+     * The element where the last mouse down event was registered.
+     */
+    private Element lastMouseDownTarget;
+
+    /**
+     * Set to true by {@link #mouseUpPreviewHandler} if it gets a mouseup at the
+     * same element as {@link #lastMouseDownTarget}.
+     */
+    private boolean mouseUpPreviewMatched = false;
+
+    private HandlerRegistration mouseUpEventPreviewRegistration;
+
+    /**
+     * Previews events after a mousedown to detect where the following mouseup
+     * hits.
+     */
+    private final NativePreviewHandler mouseUpPreviewHandler = new NativePreviewHandler() {
+
+        @Override
+        public void onPreviewNativeEvent(NativePreviewEvent event) {
+            if (event.getTypeInt() == Event.ONMOUSEUP) {
+                mouseUpEventPreviewRegistration.removeHandler();
+
+                // Event's reported target not always correct if event
+                // capture is in use
+                Element elementUnderMouse = Util.getElementUnderMouse(event
+                        .getNativeEvent());
+                if (lastMouseDownTarget != null
+                        && lastMouseDownTarget.isOrHasChild(elementUnderMouse)) {
+                    mouseUpPreviewMatched = true;
+                } else {
+                    getLogger().log(
+                            Level.FINEST,
+                            "Ignoring mouseup from " + elementUnderMouse
+                                    + " when mousedown was on "
+                                    + lastMouseDownTarget);
+                }
+            }
+        }
+    };
+
     public VScrollTable() {
         setMultiSelectMode(MULTISELECT_MODE_DEFAULT);
 
@@ -5922,114 +5971,134 @@ public class VScrollTable extends FlowPanel implements HasWidgets,
                         }
                         break;
                     case Event.ONMOUSEUP:
-                        if (targetCellOrRowFound) {
-                            /*
-                             * Queue here, send at the same time as the
-                             * corresponding value change event - see #7127
-                             */
-                            boolean clickEventSent = handleClickEvent(event,
-                                    targetTdOrTr, false);
-
-                            if (event.getButton() == Event.BUTTON_LEFT
-                                    && isSelectable()) {
-
-                                // Ctrl+Shift click
-                                if ((event.getCtrlKey() || event.getMetaKey())
-                                        && event.getShiftKey()
-                                        && isMultiSelectModeDefault()) {
-                                    toggleShiftSelection(false);
-                                    setRowFocus(this);
-
-                                    // Ctrl click
-                                } else if ((event.getCtrlKey() || event
-                                        .getMetaKey())
-                                        && isMultiSelectModeDefault()) {
-                                    boolean wasSelected = isSelected();
-                                    toggleSelection();
-                                    setRowFocus(this);
-                                    /*
-                                     * next possible range select must start on
-                                     * this row
-                                     */
-                                    selectionRangeStart = this;
-                                    if (wasSelected) {
-                                        removeRowFromUnsentSelectionRanges(this);
-                                    }
+                        /*
+                         * Only fire a click if the mouseup hits the same
+                         * element as the corresponding mousedown. This is first
+                         * checked in the event preview but we can't fire the
+                         * event there as the event might get canceled before it
+                         * gets here.
+                         */
+                        if (mouseUpPreviewMatched
+                                && lastMouseDownTarget != null
+                                && lastMouseDownTarget == getElementTdOrTr(Util
+                                        .getElementUnderMouse(event))) {
+                            // "Click" with left, right or middle button
+
+                            if (targetCellOrRowFound) {
+                                /*
+                                 * Queue here, send at the same time as the
+                                 * corresponding value change event - see #7127
+                                 */
+                                boolean clickEventSent = handleClickEvent(
+                                        event, targetTdOrTr, false);
+
+                                if (event.getButton() == Event.BUTTON_LEFT
+                                        && isSelectable()) {
+
+                                    // Ctrl+Shift click
+                                    if ((event.getCtrlKey() || event
+                                            .getMetaKey())
+                                            && event.getShiftKey()
+                                            && isMultiSelectModeDefault()) {
+                                        toggleShiftSelection(false);
+                                        setRowFocus(this);
 
-                                } else if ((event.getCtrlKey() || event
-                                        .getMetaKey()) && isSingleSelectMode()) {
-                                    // Ctrl (or meta) click (Single selection)
-                                    if (!isSelected()
-                                            || (isSelected() && nullSelectionAllowed)) {
+                                        // Ctrl click
+                                    } else if ((event.getCtrlKey() || event
+                                            .getMetaKey())
+                                            && isMultiSelectModeDefault()) {
+                                        boolean wasSelected = isSelected();
+                                        toggleSelection();
+                                        setRowFocus(this);
+                                        /*
+                                         * next possible range select must start
+                                         * on this row
+                                         */
+                                        selectionRangeStart = this;
+                                        if (wasSelected) {
+                                            removeRowFromUnsentSelectionRanges(this);
+                                        }
 
-                                        if (!isSelected()) {
-                                            deselectAll();
+                                    } else if ((event.getCtrlKey() || event
+                                            .getMetaKey())
+                                            && isSingleSelectMode()) {
+                                        // Ctrl (or meta) click (Single
+                                        // selection)
+                                        if (!isSelected()
+                                                || (isSelected() && nullSelectionAllowed)) {
+
+                                            if (!isSelected()) {
+                                                deselectAll();
+                                            }
+
+                                            toggleSelection();
+                                            setRowFocus(this);
                                         }
 
-                                        toggleSelection();
+                                    } else if (event.getShiftKey()
+                                            && isMultiSelectModeDefault()) {
+                                        // Shift click
+                                        toggleShiftSelection(true);
+
+                                    } else {
+                                        // click
+                                        boolean currentlyJustThisRowSelected = selectedRowKeys
+                                                .size() == 1
+                                                && selectedRowKeys
+                                                        .contains(getKey());
+
+                                        if (!currentlyJustThisRowSelected) {
+                                            if (isSingleSelectMode()
+                                                    || isMultiSelectModeDefault()) {
+                                                /*
+                                                 * For default multi select mode
+                                                 * (ctrl/shift) and for single
+                                                 * select mode we need to clear
+                                                 * the previous selection before
+                                                 * selecting a new one when the
+                                                 * user clicks on a row. Only in
+                                                 * multiselect/simple mode the
+                                                 * old selection should remain
+                                                 * after a normal click.
+                                                 */
+                                                deselectAll();
+                                            }
+                                            toggleSelection();
+                                        } else if ((isSingleSelectMode() || isMultiSelectModeSimple())
+                                                && nullSelectionAllowed) {
+                                            toggleSelection();
+                                        }/*
+                                          * else NOP to avoid excessive server
+                                          * visits (selection is removed with
+                                          * CTRL/META click)
+                                          */
+
+                                        selectionRangeStart = this;
                                         setRowFocus(this);
                                     }
 
-                                } else if (event.getShiftKey()
-                                        && isMultiSelectModeDefault()) {
-                                    // Shift click
-                                    toggleShiftSelection(true);
-
-                                } else {
-                                    // click
-                                    boolean currentlyJustThisRowSelected = selectedRowKeys
-                                            .size() == 1
-                                            && selectedRowKeys
-                                                    .contains(getKey());
-
-                                    if (!currentlyJustThisRowSelected) {
-                                        if (isSingleSelectMode()
-                                                || isMultiSelectModeDefault()) {
-                                            /*
-                                             * For default multi select mode
-                                             * (ctrl/shift) and for single
-                                             * select mode we need to clear the
-                                             * previous selection before
-                                             * selecting a new one when the user
-                                             * clicks on a row. Only in
-                                             * multiselect/simple mode the old
-                                             * selection should remain after a
-                                             * normal click.
-                                             */
-                                            deselectAll();
-                                        }
-                                        toggleSelection();
-                                    } else if ((isSingleSelectMode() || isMultiSelectModeSimple())
-                                            && nullSelectionAllowed) {
-                                        toggleSelection();
-                                    }/*
-                                      * else NOP to avoid excessive server
-                                      * visits (selection is removed with
-                                      * CTRL/META click)
-                                      */
-
-                                    selectionRangeStart = this;
-                                    setRowFocus(this);
+                                    // Remove IE text selection hack
+                                    if (BrowserInfo.get().isIE()) {
+                                        ((Element) event.getEventTarget()
+                                                .cast()).setPropertyJSO(
+                                                "onselectstart", null);
+                                    }
+                                    // Queue value change
+                                    sendSelectedRows(false);
                                 }
-
-                                // Remove IE text selection hack
-                                if (BrowserInfo.get().isIE()) {
-                                    ((Element) event.getEventTarget().cast())
-                                            .setPropertyJSO("onselectstart",
-                                                    null);
+                                /*
+                                 * Send queued click and value change events if
+                                 * any If a click event is sent, send value
+                                 * change with it regardless of the immediate
+                                 * flag, see #7127
+                                 */
+                                if (immediate || clickEventSent) {
+                                    client.sendPendingVariableChanges();
                                 }
-                                // Queue value change
-                                sendSelectedRows(false);
-                            }
-                            /*
-                             * Send queued click and value change events if any
-                             * If a click event is sent, send value change with
-                             * it regardless of the immediate flag, see #7127
-                             */
-                            if (immediate || clickEventSent) {
-                                client.sendPendingVariableChanges();
                             }
                         }
+                        mouseUpPreviewMatched = false;
+                        lastMouseDownTarget = null;
                         break;
                     case Event.ONTOUCHEND:
                     case Event.ONTOUCHCANCEL:
@@ -6135,6 +6204,17 @@ public class VScrollTable extends FlowPanel implements HasWidgets,
                         }
                         break;
                     case Event.ONMOUSEDOWN:
+                        /*
+                         * When getting a mousedown event, we must detect where
+                         * the corresponding mouseup event if it's on a
+                         * different part of the page.
+                         */
+                        lastMouseDownTarget = getElementTdOrTr(Util
+                                .getElementUnderMouse(event));
+                        mouseUpPreviewMatched = false;
+                        mouseUpEventPreviewRegistration = Event
+                                .addNativePreviewHandler(mouseUpPreviewHandler);
+
                         if (targetCellOrRowFound) {
                             setRowFocus(this);
                             ensureFocus();
@@ -6269,7 +6349,12 @@ public class VScrollTable extends FlowPanel implements HasWidgets,
              */
             private Element getEventTargetTdOrTr(Event event) {
                 final Element eventTarget = event.getEventTarget().cast();
-                Widget widget = Util.findWidget(eventTarget, null);
+                return getElementTdOrTr(eventTarget);
+            }
+
+            private Element getElementTdOrTr(Element element) {
+
+                Widget widget = Util.findWidget(element, null);
 
                 if (widget != this) {
                     /*
@@ -6289,7 +6374,7 @@ public class VScrollTable extends FlowPanel implements HasWidgets,
                         return null;
                     }
                 }
-                return getTdOrTr(eventTarget);
+                return getTdOrTr(element);
             }
 
             @Override
@@ -8133,4 +8218,8 @@ public class VScrollTable extends FlowPanel implements HasWidgets,
     public boolean isWorkPending() {
         return lazyAdjustColumnWidths.isRunning();
     }
+
+    private static Logger getLogger() {
+        return Logger.getLogger(VScrollTable.class.getName());
+    }
 }
diff --git a/uitest/src/com/vaadin/tests/components/table/TableMatchesMouseDownMouseUpElement.java b/uitest/src/com/vaadin/tests/components/table/TableMatchesMouseDownMouseUpElement.java
new file mode 100644 (file)
index 0000000..1515589
--- /dev/null
@@ -0,0 +1,76 @@
+package com.vaadin.tests.components.table;
+
+import com.vaadin.data.Item;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.shared.ui.label.ContentMode;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.Button.ClickListener;
+import com.vaadin.ui.Component;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.Table;
+import com.vaadin.ui.VerticalLayout;
+
+public class TableMatchesMouseDownMouseUpElement extends AbstractTestUI {
+
+    static final String CLEAR_BUTTON_ID = "clear-button-id";
+
+    @Override
+    protected String getTestDescription() {
+        return "Both mouse down and mouse up should be done on same cell to be considered as a click.";
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return 14347;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    protected void setup(VaadinRequest request) {
+        final Table table = new Table();
+        table.setHeight("500px");
+        table.setSelectable(true);
+        table.setNullSelectionAllowed(true);
+        table.addContainerProperty("Column 1", String.class, "");
+        table.addContainerProperty("Column 2", Component.class, "");
+        table.addContainerProperty("Column 3", Component.class, "");
+        table.addContainerProperty("Column 4", Component.class, "");
+
+        Item item = table.addItem("Item 1 (row 1)");
+        item.getItemProperty("Column 1").setValue("String A");
+        item.getItemProperty("Column 2").setValue(new Label("Label A"));
+        item.getItemProperty("Column 3").setValue(
+                new Label("<b>Label A</b>", ContentMode.HTML));
+        VerticalLayout l = new VerticalLayout();
+        l.setId("row-1");
+        l.setHeight(100, Unit.PIXELS);
+        item.getItemProperty("Column 4").setValue(l);
+
+        item = table.addItem("Item 2 (row 2)");
+        item.getItemProperty("Column 1").setValue("String B");
+        item.getItemProperty("Column 2").setValue(new Label("Label B"));
+        item.getItemProperty("Column 3")
+                .setValue(
+                        new Label(
+                                "<a style=\"color: blue\" href=\"javascript:false\">Label B</a>",
+                                ContentMode.HTML));
+        l = new VerticalLayout();
+        l.setId("row-2");
+        l.setSizeFull();
+        item.getItemProperty("Column 4").setValue(l);
+
+        Button clear = new Button("Clear");
+        clear.setId(CLEAR_BUTTON_ID);
+        clear.addClickListener(new ClickListener() {
+
+            @Override
+            public void buttonClick(ClickEvent event) {
+                table.setValue(null);
+            }
+        });
+        addComponent(table);
+        addComponent(clear);
+    }
+}
diff --git a/uitest/src/com/vaadin/tests/components/table/TableMatchesMouseDownMouseUpElementTest.java b/uitest/src/com/vaadin/tests/components/table/TableMatchesMouseDownMouseUpElementTest.java
new file mode 100644 (file)
index 0000000..ea730ea
--- /dev/null
@@ -0,0 +1,147 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.components.table;
+
+import static com.vaadin.tests.components.table.TableMatchesMouseDownMouseUpElement.CLEAR_BUTTON_ID;
+import static org.junit.Assert.assertEquals;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.interactions.Actions;
+
+import com.vaadin.testbench.elements.TableElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+/**
+ * Regular click cases already covered by @LabelEmbeddedClickThroughForTableTest
+ * Testing cases when mouse down and mouse up positions are different
+ * 
+ * @since
+ * @author Vaadin Ltd
+ */
+public class TableMatchesMouseDownMouseUpElementTest extends MultiBrowserTest {
+
+    TableElement table;
+
+    @Test
+    public void testClick() {
+        openTestURL();
+        table = $(TableElement.class).first();
+
+        testMoveOut(getBoldTag(0, 2));
+        testMoveIn(getBoldTag(0, 2));
+
+        testMoveOut(getLabel(0, 1));
+        testMoveIn(getLabel(0, 1));
+
+        testClickOnDifferentRows();
+    }
+
+    /**
+     * MouseDown on element and mouseUp outside element but on same cell
+     */
+    private void testMoveOut(WebElement element) {
+        clearSelection();
+        clickAndMove(element, 5, 5, 0, 50);
+        checkSelectedRowCount(1);
+        checkRowSelected(0);
+    }
+
+    /**
+     * MouseDown outside element but on same cell and mouseUp on element
+     */
+    private void testMoveIn(WebElement element) {
+        clearSelection();
+        clickAndMove(element, 5, 55, 0, -50);
+        checkSelectedRowCount(1);
+        checkRowSelected(0);
+    }
+
+    /**
+     * Mouse down in cell of row1 holds and mouse up in cell of row 2
+     */
+    public void testClickOnDifferentRows() {
+        clearSelection();
+        WebElement elementFrom = getCell(0, 1);
+        WebElement elementTo = getCell(0, 2);
+        clickAndMove(elementFrom, elementTo);
+        checkSelectedRowCount(0);
+    }
+
+    private WebElement getBoldTag(int row, int column) {
+        return table.getCell(row, column).findElement(By.className("v-label"))
+                .findElement(By.tagName("b"));
+    }
+
+    private WebElement getLabel(int row, int column) {
+        return table.getCell(row, column).findElement(By.className("v-label"));
+    }
+
+    private WebElement getCell(int row, int column) {
+        return table.getCell(row, column);
+    }
+
+    private void clearSelection() {
+        WebElement clearButton = vaadinElementById(CLEAR_BUTTON_ID);
+        clearButton.click();
+    }
+
+    /**
+     * Mouse down on element + initial offset -> Moves the "move offset" ->
+     * Mouse up
+     */
+    private void clickAndMove(WebElement element, int initialX, int initialY,
+            int moveX, int moveY) {
+        new Actions(driver).moveToElement(element, initialX, initialY)
+                .clickAndHold().perform();
+        new Actions(driver).moveByOffset(moveX, moveY).perform();
+        new Actions(driver).release().perform();
+    }
+
+    /**
+     * Mouse down on elementFrom -> Moves to elementTo -> Mouse up
+     */
+    private void clickAndMove(WebElement elementFrom, WebElement elementTo) {
+        new Actions(driver).moveToElement(elementFrom, 5, 5).clickAndHold()
+                .perform();
+        new Actions(driver).moveToElement(elementTo, 5, 5).perform();
+        new Actions(driver).release().perform();
+    }
+
+    private void checkRowSelected(int rowIndex) {
+        assertEquals(
+                "contents of the selected row don't match contents of the row #"
+                        + rowIndex,
+                table.getCell(rowIndex, 0).getText(),
+                getSelectedRows().get(0)
+                        .findElement(By.className("v-table-cell-wrapper"))
+                        .getText());
+    }
+
+    private void checkSelectedRowCount(int expected) {
+        assertEquals("unexpected table selection size", expected,
+                getSelectedRows().size());
+    }
+
+    private List<WebElement> getSelectedRows() {
+        return table.findElement(By.className("v-table-body")).findElements(
+                By.className("v-selected"));
+    }
+
+}