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Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/relative/ResizeHandler.java')
-rw-r--r--eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/relative/ResizeHandler.java265
1 files changed, 0 insertions, 265 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/relative/ResizeHandler.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/relative/ResizeHandler.java
deleted file mode 100644
index a5e071d74..000000000
--- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/relative/ResizeHandler.java
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * Copyright (C) 2011 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.common.layout.relative;
-
-import static com.android.ide.common.api.MarginType.NO_MARGIN;
-import static com.android.ide.common.api.SegmentType.BASELINE;
-import static com.android.ide.common.api.SegmentType.BOTTOM;
-import static com.android.ide.common.api.SegmentType.CENTER_HORIZONTAL;
-import static com.android.ide.common.api.SegmentType.CENTER_VERTICAL;
-import static com.android.ide.common.api.SegmentType.LEFT;
-import static com.android.ide.common.api.SegmentType.RIGHT;
-import static com.android.ide.common.api.SegmentType.TOP;
-import static com.android.SdkConstants.ATTR_ID;
-
-import static java.lang.Math.abs;
-
-import com.android.SdkConstants;
-import static com.android.SdkConstants.ANDROID_URI;
-import com.android.ide.common.api.DropFeedback;
-import com.android.ide.common.api.IClientRulesEngine;
-import com.android.ide.common.api.INode;
-import com.android.ide.common.api.Rect;
-import com.android.ide.common.api.Segment;
-import com.android.ide.common.api.SegmentType;
-import com.android.ide.common.layout.BaseLayoutRule;
-
-import java.util.Collections;
-import java.util.Set;
-
-/**
- * A {@link ResizeHandler} is a {@link GuidelineHandler} which handles resizing of individual
- * edges in a RelativeLayout.
- */
-public class ResizeHandler extends GuidelineHandler {
- private final SegmentType mHorizontalEdgeType;
- private final SegmentType mVerticalEdgeType;
-
- /**
- * Creates a new {@link ResizeHandler}
- *
- * @param layout the layout containing the resized node
- * @param resized the node being resized
- * @param rulesEngine the applicable {@link IClientRulesEngine}
- * @param horizontalEdgeType the type of horizontal edge being resized, or null
- * @param verticalEdgeType the type of vertical edge being resized, or null
- */
- public ResizeHandler(INode layout, INode resized,
- IClientRulesEngine rulesEngine,
- SegmentType horizontalEdgeType, SegmentType verticalEdgeType) {
- super(layout, rulesEngine);
-
- assert horizontalEdgeType != null || verticalEdgeType != null;
- assert horizontalEdgeType != BASELINE && verticalEdgeType != BASELINE;
- assert horizontalEdgeType != CENTER_HORIZONTAL && verticalEdgeType != CENTER_HORIZONTAL;
- assert horizontalEdgeType != CENTER_VERTICAL && verticalEdgeType != CENTER_VERTICAL;
-
- mHorizontalEdgeType = horizontalEdgeType;
- mVerticalEdgeType = verticalEdgeType;
-
- Set<INode> nodes = Collections.singleton(resized);
- mDraggedNodes = nodes;
-
- mHorizontalDeps = mDependencyGraph.dependsOn(nodes, false /* vertical */);
- mVerticalDeps = mDependencyGraph.dependsOn(nodes, true /* vertical */);
-
- if (horizontalEdgeType != null) {
- if (horizontalEdgeType == TOP) {
- mMoveTop = true;
- } else if (horizontalEdgeType == BOTTOM) {
- mMoveBottom = true;
- }
- }
- if (verticalEdgeType != null) {
- if (verticalEdgeType == LEFT) {
- mMoveLeft = true;
- } else if (verticalEdgeType == RIGHT) {
- mMoveRight = true;
- }
- }
-
- for (INode child : layout.getChildren()) {
- if (child != resized) {
- String id = child.getStringAttr(ANDROID_URI, ATTR_ID);
- addBounds(child, id,
- !mHorizontalDeps.contains(child),
- !mVerticalDeps.contains(child));
- }
- }
-
- addBounds(layout, layout.getStringAttr(ANDROID_URI, ATTR_ID), true, true);
- }
-
- @Override
- protected void snapVertical(Segment vEdge, int x, Rect newBounds) {
- int maxDistance = BaseLayoutRule.getMaxMatchDistance();
- if (vEdge.edgeType == LEFT) {
- int margin = mSnap ? 0 : abs(newBounds.x - x);
- if (margin > maxDistance) {
- mLeftMargin = margin;
- } else {
- newBounds.w += newBounds.x - x;
- newBounds.x = x;
- }
- } else if (vEdge.edgeType == RIGHT) {
- int margin = mSnap ? 0 : abs(newBounds.x - (x - newBounds.w));
- if (margin > maxDistance) {
- mRightMargin = margin;
- } else {
- newBounds.w = x - newBounds.x;
- }
- } else {
- assert false : vEdge;
- }
- }
-
- @Override
- protected void snapHorizontal(Segment hEdge, int y, Rect newBounds) {
- int maxDistance = BaseLayoutRule.getMaxMatchDistance();
- if (hEdge.edgeType == TOP) {
- int margin = mSnap ? 0 : abs(newBounds.y - y);
- if (margin > maxDistance) {
- mTopMargin = margin;
- } else {
- newBounds.h += newBounds.y - y;
- newBounds.y = y;
- }
- } else if (hEdge.edgeType == BOTTOM) {
- int margin = mSnap ? 0 : abs(newBounds.y - (y - newBounds.h));
- if (margin > maxDistance) {
- mBottomMargin = margin;
- } else {
- newBounds.h = y - newBounds.y;
- }
- } else {
- assert false : hEdge;
- }
- }
-
- @Override
- protected boolean isEdgeTypeCompatible(SegmentType edge, SegmentType dragged, int delta) {
- boolean compatible = super.isEdgeTypeCompatible(edge, dragged, delta);
-
- // When resizing and not snapping (e.g. using margins to pick a specific pixel
- // width) we cannot use -negative- margins to jump back to a closer edge; we
- // must always use positive margins, so mark closer edges that result in a negative
- // margin as not compatible.
- if (compatible && !mSnap) {
- switch (dragged) {
- case LEFT:
- case TOP:
- return delta <= 0;
- default:
- return delta >= 0;
- }
- }
-
- return compatible;
- }
-
- /**
- * Updates the handler for the given mouse resize
- *
- * @param feedback the feedback handler
- * @param child the node being resized
- * @param newBounds the new bounds of the resize rectangle
- * @param modifierMask the keyboard modifiers pressed during the drag
- */
- public void updateResize(DropFeedback feedback, INode child, Rect newBounds,
- int modifierMask) {
- mSnap = (modifierMask & DropFeedback.MODIFIER2) == 0;
- mBounds = newBounds;
- clearSuggestions();
-
- Rect b = newBounds;
- Segment hEdge = null;
- Segment vEdge = null;
- String childId = child.getStringAttr(ANDROID_URI, ATTR_ID);
-
- // TODO: MarginType=NO_MARGIN may not be right. Consider resizing a widget
- // that has margins and how that should be handled.
-
- if (mHorizontalEdgeType == TOP) {
- hEdge = new Segment(b.y, b.x, b.x2(), child, childId, mHorizontalEdgeType, NO_MARGIN);
- } else if (mHorizontalEdgeType == BOTTOM) {
- hEdge = new Segment(b.y2(), b.x, b.x2(), child, childId, mHorizontalEdgeType,
- NO_MARGIN);
- } else {
- assert mHorizontalEdgeType == null;
- }
-
- if (mVerticalEdgeType == LEFT) {
- vEdge = new Segment(b.x, b.y, b.y2(), child, childId, mVerticalEdgeType, NO_MARGIN);
- } else if (mVerticalEdgeType == RIGHT) {
- vEdge = new Segment(b.x2(), b.y, b.y2(), child, childId, mVerticalEdgeType, NO_MARGIN);
- } else {
- assert mVerticalEdgeType == null;
- }
-
- mTopMargin = mBottomMargin = mLeftMargin = mRightMargin = 0;
-
- if (hEdge != null && mHorizontalEdges.size() > 0) {
- // Compute horizontal matches
- mHorizontalSuggestions = findClosest(hEdge, mHorizontalEdges);
-
- Match match = pickBestMatch(mHorizontalSuggestions);
- if (match != null
- && (!mSnap || Math.abs(match.delta) < BaseLayoutRule.getMaxMatchDistance())) {
- if (mHorizontalDeps.contains(match.edge.node)) {
- match.cycle = true;
- }
-
- snapHorizontal(hEdge, match.edge.at, newBounds);
-
- if (hEdge.edgeType == TOP) {
- mCurrentTopMatch = match;
- } else if (hEdge.edgeType == BOTTOM) {
- mCurrentBottomMatch = match;
- } else {
- assert hEdge.edgeType == CENTER_HORIZONTAL
- || hEdge.edgeType == BASELINE : hEdge;
- mCurrentTopMatch = match;
- }
- }
- }
-
- if (vEdge != null && mVerticalEdges.size() > 0) {
- mVerticalSuggestions = findClosest(vEdge, mVerticalEdges);
-
- Match match = pickBestMatch(mVerticalSuggestions);
- if (match != null
- && (!mSnap || Math.abs(match.delta) < BaseLayoutRule.getMaxMatchDistance())) {
- if (mVerticalDeps.contains(match.edge.node)) {
- match.cycle = true;
- }
-
- // Snap
- snapVertical(vEdge, match.edge.at, newBounds);
-
- if (vEdge.edgeType == LEFT) {
- mCurrentLeftMatch = match;
- } else if (vEdge.edgeType == RIGHT) {
- mCurrentRightMatch = match;
- } else {
- assert vEdge.edgeType == CENTER_VERTICAL;
- mCurrentLeftMatch = match;
- }
- }
- }
-
- checkCycles(feedback);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 06:02:19 +0000