diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LintTooltipManager.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LintTooltipManager.java | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LintTooltipManager.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LintTooltipManager.java deleted file mode 100644 index f71935889..000000000 --- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/gle2/LintTooltipManager.java +++ /dev/null @@ -1,181 +0,0 @@ -/* - * Copyright (C) 2012 The Android Open Source Project - * - * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php - * - * 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.android.ide.eclipse.adt.internal.editors.layout.gle2; - -import static com.android.ide.eclipse.adt.internal.editors.layout.gle2.LintOverlay.ICON_SIZE; - -import com.android.annotations.Nullable; -import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate; -import com.android.ide.eclipse.adt.internal.editors.layout.uimodel.UiViewElementNode; -import com.android.ide.eclipse.adt.internal.preferences.AdtPrefs; - -import org.eclipse.swt.SWT; -import org.eclipse.swt.graphics.Point; -import org.eclipse.swt.graphics.Rectangle; -import org.eclipse.swt.widgets.Event; -import org.eclipse.swt.widgets.Listener; -import org.eclipse.swt.widgets.Shell; -import org.w3c.dom.Node; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.List; - -/** Tooltip in the layout editor showing lint errors under the cursor */ -class LintTooltipManager implements Listener { - private final LayoutCanvas mCanvas; - private Shell mTip = null; - private List<UiViewElementNode> mShowingNodes; - - /** - * Sets up a custom tooltip when hovering over tree items. It currently displays the error - * message for the lint warning associated with each node, if any (and only if the hover - * is over the icon portion). - */ - LintTooltipManager(LayoutCanvas canvas) { - mCanvas = canvas; - } - - void register() { - mCanvas.addListener(SWT.Dispose, this); - mCanvas.addListener(SWT.KeyDown, this); - mCanvas.addListener(SWT.MouseMove, this); - mCanvas.addListener(SWT.MouseHover, this); - } - - void unregister() { - if (!mCanvas.isDisposed()) { - mCanvas.removeListener(SWT.Dispose, this); - mCanvas.removeListener(SWT.KeyDown, this); - mCanvas.removeListener(SWT.MouseMove, this); - mCanvas.removeListener(SWT.MouseHover, this); - } - } - - @Override - public void handleEvent(Event event) { - switch(event.type) { - case SWT.MouseMove: - // See if we're still overlapping this or *other* errors; if so, keep the - // tip up (or update it). - if (mShowingNodes != null) { - List<UiViewElementNode> nodes = computeNodes(event); - if (nodes != null && !nodes.isEmpty()) { - if (nodes.equals(mShowingNodes)) { - return; - } else { - show(nodes); - } - break; - } - } - - // If not, fall through and hide the tooltip - - //$FALL-THROUGH$ - case SWT.Dispose: - case SWT.FocusOut: - case SWT.KeyDown: - case SWT.MouseExit: - case SWT.MouseDown: - hide(); - break; - case SWT.MouseHover: - hide(); - show(event); - break; - } - } - - void hide() { - if (mTip != null) { - mTip.dispose(); - mTip = null; - } - mShowingNodes = null; - } - - private void show(Event event) { - List<UiViewElementNode> nodes = computeNodes(event); - if (nodes != null && !nodes.isEmpty()) { - show(nodes); - } - } - - /** Show a tooltip listing the lint errors for the given nodes */ - private void show(List<UiViewElementNode> nodes) { - hide(); - - if (!AdtPrefs.getPrefs().isLintOnSave()) { - return; - } - - mTip = new LintTooltip(mCanvas, nodes); - Rectangle rect = mCanvas.getBounds(); - Point size = mTip.computeSize(SWT.DEFAULT, SWT.DEFAULT); - Point pos = mCanvas.toDisplay(rect.x, rect.y + rect.height); - if (size.x > rect.width) { - size = mTip.computeSize(rect.width, SWT.DEFAULT); - } - mTip.setBounds(pos.x, pos.y, size.x, size.y); - - mShowingNodes = nodes; - mTip.setVisible(true); - } - - /** - * Compute the list of nodes which have lint warnings near the given mouse - * coordinates - * - * @param event the mouse cursor event - * @return a list of nodes, possibly empty - */ - @Nullable - private List<UiViewElementNode> computeNodes(Event event) { - LayoutPoint p = ControlPoint.create(mCanvas, event.x, event.y).toLayout(); - LayoutEditorDelegate delegate = mCanvas.getEditorDelegate(); - ViewHierarchy viewHierarchy = mCanvas.getViewHierarchy(); - CanvasTransform mHScale = mCanvas.getHorizontalTransform(); - CanvasTransform mVScale = mCanvas.getVerticalTransform(); - - int layoutIconSize = mHScale.inverseScale(ICON_SIZE); - int slop = mVScale.inverseScale(10); // extra space around icon where tip triggers - - Collection<Node> xmlNodes = delegate.getLintNodes(); - if (xmlNodes == null) { - return null; - } - List<UiViewElementNode> nodes = new ArrayList<UiViewElementNode>(); - for (Node xmlNode : xmlNodes) { - CanvasViewInfo v = viewHierarchy.findViewInfoFor(xmlNode); - if (v != null) { - Rectangle b = v.getAbsRect(); - int x2 = b.x + b.width; - int y2 = b.y + b.height; - if (p.x < x2 - layoutIconSize - slop - || p.x > x2 + slop - || p.y < y2 - layoutIconSize - slop - || p.y > y2 + slop) { - continue; - } - - nodes.add(v.getUiViewNode()); - } - } - - return nodes; - } -} |