| /* |
| * 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; |
| |
| import static com.android.SdkConstants.VALUE_N_DP; |
| import static com.android.SdkConstants.VALUE_WRAP_CONTENT; |
| |
| 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; |
| |
| /** State held during resizing operations */ |
| class ResizeState { |
| /** |
| * The associated rule |
| */ |
| private final BaseLayoutRule mRule; |
| |
| /** |
| * The node being resized |
| */ |
| public final INode node; |
| |
| /** |
| * The layout containing the resized node |
| */ |
| public final INode layout; |
| |
| /** The proposed resized bounds of the node */ |
| public Rect bounds; |
| |
| /** The preferred wrap_content bounds of the node */ |
| public Rect wrapBounds; |
| |
| /** The suggested horizontal fill_parent guideline position */ |
| public Segment horizontalFillSegment; |
| |
| /** The suggested vertical fill_parent guideline position */ |
| public Segment verticalFillSegment; |
| |
| /** The type of horizontal edge being resized, or null */ |
| public SegmentType horizontalEdgeType; |
| |
| /** The type of vertical edge being resized, or null */ |
| public SegmentType verticalEdgeType; |
| |
| /** Whether the user has snapped to the wrap_content width */ |
| public boolean wrapWidth; |
| |
| /** Whether the user has snapped to the wrap_content height */ |
| public boolean wrapHeight; |
| |
| /** Whether the user has snapped to the match_parent width */ |
| public boolean fillWidth; |
| |
| /** Whether the user has snapped to the match_parent height */ |
| public boolean fillHeight; |
| |
| /** Custom field for use by subclasses */ |
| public Object clientData; |
| |
| /** Keyboard mask */ |
| public int modifierMask; |
| |
| /** |
| * The actual view object for the layout containing the resizing operation, |
| * or null if not known |
| */ |
| public Object layoutView; |
| |
| /** |
| * Constructs a new {@link ResizeState} |
| * |
| * @param rule the associated rule |
| * @param layout the parent layout containing the resized node |
| * @param layoutView the actual View instance for the layout, or null if not known |
| * @param node the node being resized |
| */ |
| ResizeState(BaseLayoutRule rule, INode layout, Object layoutView, INode node) { |
| mRule = rule; |
| |
| this.layout = layout; |
| this.node = node; |
| this.layoutView = layoutView; |
| } |
| |
| /** |
| * Returns the width attribute to be set to match the new bounds |
| * |
| * @return the width string, never null |
| */ |
| public String getWidthAttribute() { |
| if (wrapWidth) { |
| return VALUE_WRAP_CONTENT; |
| } else if (fillWidth) { |
| return mRule.getFillParentValueName(); |
| } else { |
| return String.format(VALUE_N_DP, mRule.mRulesEngine.pxToDp(bounds.w)); |
| } |
| } |
| |
| /** |
| * Returns the height attribute to be set to match the new bounds |
| * |
| * @return the height string, never null |
| */ |
| public String getHeightAttribute() { |
| if (wrapHeight) { |
| return VALUE_WRAP_CONTENT; |
| } else if (fillHeight) { |
| return mRule.getFillParentValueName(); |
| } else { |
| return String.format(VALUE_N_DP, mRule.mRulesEngine.pxToDp(bounds.h)); |
| } |
| } |
| } |