diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/RelativeLayoutRule.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/RelativeLayoutRule.java | 413 |
1 files changed, 0 insertions, 413 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/RelativeLayoutRule.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/RelativeLayoutRule.java deleted file mode 100644 index b4bc86978..000000000 --- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/RelativeLayoutRule.java +++ /dev/null @@ -1,413 +0,0 @@ -/* - * Copyright (C) 2010 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.ANDROID_URI; -import static com.android.SdkConstants.ATTR_GRAVITY; -import static com.android.SdkConstants.ATTR_LAYOUT_ABOVE; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_BASELINE; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_BOTTOM; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_LEFT; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_PARENT_BOTTOM; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_PARENT_LEFT; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_PARENT_RIGHT; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_PARENT_TOP; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_RIGHT; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_TOP; -import static com.android.SdkConstants.ATTR_LAYOUT_ALIGN_WITH_PARENT_MISSING; -import static com.android.SdkConstants.ATTR_LAYOUT_BELOW; -import static com.android.SdkConstants.ATTR_LAYOUT_CENTER_HORIZONTAL; -import static com.android.SdkConstants.ATTR_LAYOUT_CENTER_IN_PARENT; -import static com.android.SdkConstants.ATTR_LAYOUT_CENTER_VERTICAL; -import static com.android.SdkConstants.ATTR_LAYOUT_RESOURCE_PREFIX; -import static com.android.SdkConstants.ATTR_LAYOUT_TO_LEFT_OF; -import static com.android.SdkConstants.ATTR_LAYOUT_TO_RIGHT_OF; -import static com.android.SdkConstants.VALUE_TRUE; - -import com.android.annotations.NonNull; -import com.android.annotations.Nullable; -import com.android.ide.common.api.DropFeedback; -import com.android.ide.common.api.IDragElement; -import com.android.ide.common.api.IGraphics; -import com.android.ide.common.api.IMenuCallback; -import com.android.ide.common.api.INode; -import com.android.ide.common.api.INodeHandler; -import com.android.ide.common.api.IViewRule; -import com.android.ide.common.api.InsertType; -import com.android.ide.common.api.Point; -import com.android.ide.common.api.Rect; -import com.android.ide.common.api.RuleAction; -import com.android.ide.common.api.SegmentType; -import com.android.ide.common.layout.relative.ConstraintPainter; -import com.android.ide.common.layout.relative.DeletionHandler; -import com.android.ide.common.layout.relative.GuidelinePainter; -import com.android.ide.common.layout.relative.MoveHandler; -import com.android.ide.common.layout.relative.ResizeHandler; -import com.android.utils.Pair; - -import java.net.URL; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collections; -import java.util.List; -import java.util.Map; - -/** - * An {@link IViewRule} for android.widget.RelativeLayout and all its derived - * classes. - */ -public class RelativeLayoutRule extends BaseLayoutRule { - private static final String ACTION_SHOW_STRUCTURE = "_structure"; //$NON-NLS-1$ - private static final String ACTION_SHOW_CONSTRAINTS = "_constraints"; //$NON-NLS-1$ - private static final String ACTION_CENTER_VERTICAL = "_centerVert"; //$NON-NLS-1$ - private static final String ACTION_CENTER_HORIZONTAL = "_centerHoriz"; //$NON-NLS-1$ - private static final URL ICON_CENTER_VERTICALLY = - RelativeLayoutRule.class.getResource("centerVertically.png"); //$NON-NLS-1$ - private static final URL ICON_CENTER_HORIZONTALLY = - RelativeLayoutRule.class.getResource("centerHorizontally.png"); //$NON-NLS-1$ - private static final URL ICON_SHOW_STRUCTURE = - BaseLayoutRule.class.getResource("structure.png"); //$NON-NLS-1$ - private static final URL ICON_SHOW_CONSTRAINTS = - BaseLayoutRule.class.getResource("constraints.png"); //$NON-NLS-1$ - - public static boolean sShowStructure = false; - public static boolean sShowConstraints = true; - - // ==== Selection ==== - - @Override - public List<String> getSelectionHint(@NonNull INode parentNode, @NonNull INode childNode) { - List<String> infos = new ArrayList<String>(18); - addAttr(ATTR_LAYOUT_ABOVE, childNode, infos); - addAttr(ATTR_LAYOUT_BELOW, childNode, infos); - addAttr(ATTR_LAYOUT_TO_LEFT_OF, childNode, infos); - addAttr(ATTR_LAYOUT_TO_RIGHT_OF, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_BASELINE, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_TOP, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_BOTTOM, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_LEFT, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_RIGHT, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_PARENT_TOP, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_PARENT_BOTTOM, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_PARENT_LEFT, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_PARENT_RIGHT, childNode, infos); - addAttr(ATTR_LAYOUT_ALIGN_WITH_PARENT_MISSING, childNode, infos); - addAttr(ATTR_LAYOUT_CENTER_HORIZONTAL, childNode, infos); - addAttr(ATTR_LAYOUT_CENTER_IN_PARENT, childNode, infos); - addAttr(ATTR_LAYOUT_CENTER_VERTICAL, childNode, infos); - - return infos; - } - - private void addAttr(String propertyName, INode childNode, List<String> infos) { - String a = childNode.getStringAttr(ANDROID_URI, propertyName); - if (a != null && a.length() > 0) { - // Display the layout parameters without the leading layout_ prefix - // and id references without the @+id/ prefix - if (propertyName.startsWith(ATTR_LAYOUT_RESOURCE_PREFIX)) { - propertyName = propertyName.substring(ATTR_LAYOUT_RESOURCE_PREFIX.length()); - } - a = stripIdPrefix(a); - String s = propertyName + ": " + a; - infos.add(s); - } - } - - @Override - public void paintSelectionFeedback(@NonNull IGraphics graphics, @NonNull INode parentNode, - @NonNull List<? extends INode> childNodes, @Nullable Object view) { - super.paintSelectionFeedback(graphics, parentNode, childNodes, view); - - boolean showDependents = true; - if (sShowStructure) { - childNodes = Arrays.asList(parentNode.getChildren()); - // Avoid painting twice - both as incoming and outgoing - showDependents = false; - } else if (!sShowConstraints) { - return; - } - - ConstraintPainter.paintSelectionFeedback(graphics, parentNode, childNodes, showDependents); - } - - // ==== Drag'n'drop support ==== - - @Override - public DropFeedback onDropEnter(@NonNull INode targetNode, @Nullable Object targetView, - @Nullable IDragElement[] elements) { - return new DropFeedback(new MoveHandler(targetNode, elements, mRulesEngine), - new GuidelinePainter()); - } - - @Override - public DropFeedback onDropMove(@NonNull INode targetNode, @NonNull IDragElement[] elements, - @Nullable DropFeedback feedback, @NonNull Point p) { - if (elements == null || elements.length == 0 || feedback == null) { - return null; - } - - MoveHandler state = (MoveHandler) feedback.userData; - int offsetX = p.x + (feedback.dragBounds != null ? feedback.dragBounds.x : 0); - int offsetY = p.y + (feedback.dragBounds != null ? feedback.dragBounds.y : 0); - state.updateMove(feedback, elements, offsetX, offsetY, feedback.modifierMask); - - // Or maybe only do this if the results changed... - feedback.requestPaint = true; - - return feedback; - } - - @Override - public void onDropLeave(@NonNull INode targetNode, @NonNull IDragElement[] elements, - @Nullable DropFeedback feedback) { - } - - @Override - public void onDropped(final @NonNull INode targetNode, final @NonNull IDragElement[] elements, - final @Nullable DropFeedback feedback, final @NonNull Point p) { - if (feedback == null) { - return; - } - - final MoveHandler state = (MoveHandler) feedback.userData; - - final Map<String, Pair<String, String>> idMap = getDropIdMap(targetNode, elements, - feedback.isCopy || !feedback.sameCanvas); - - targetNode.editXml("Dropped", new INodeHandler() { - @Override - public void handle(@NonNull INode n) { - int index = -1; - - // Remove cycles - state.removeCycles(); - - // Now write the new elements. - INode previous = null; - for (IDragElement element : elements) { - String fqcn = element.getFqcn(); - - // index==-1 means to insert at the end. - // Otherwise increment the insertion position. - if (index >= 0) { - index++; - } - - INode newChild = targetNode.insertChildAt(fqcn, index); - - // Copy all the attributes, modifying them as needed. - addAttributes(newChild, element, idMap, BaseLayoutRule.DEFAULT_ATTR_FILTER); - addInnerElements(newChild, element, idMap); - - if (previous == null) { - state.applyConstraints(newChild); - previous = newChild; - } else { - // Arrange the nodes next to each other, depending on which - // edge we are attaching to. For example, if attaching to the - // top edge, arrange the subsequent nodes in a column below it. - // - // TODO: Try to do something smarter here where we detect - // constraints between the dragged edges, and we preserve these. - // We have to do this carefully though because if the - // constraints go through some other nodes not part of the - // selection, this doesn't work right, and you might be - // dragging several connected components, which we'd then - // need to stitch together such that they are all visible. - - state.attachPrevious(previous, newChild); - previous = newChild; - } - } - } - }); - } - - @Override - public void onChildInserted(@NonNull INode node, @NonNull INode parent, - @NonNull InsertType insertType) { - // TODO: Handle more generically some way to ensure that widgets with no - // intrinsic size get some minimum size until they are attached on multiple - // opposing sides. - //String fqcn = node.getFqcn(); - //if (fqcn.equals(FQCN_EDIT_TEXT)) { - // node.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, "100dp"); //$NON-NLS-1$ - //} - } - - @Override - public void onRemovingChildren(@NonNull List<INode> deleted, @NonNull INode parent, - boolean moved) { - super.onRemovingChildren(deleted, parent, moved); - - if (!moved) { - DeletionHandler handler = new DeletionHandler(deleted, Collections.<INode>emptyList(), - parent); - handler.updateConstraints(); - } - } - - // ==== Resize Support ==== - - @Override - public DropFeedback onResizeBegin(@NonNull INode child, @NonNull INode parent, - @Nullable SegmentType horizontalEdgeType, @Nullable SegmentType verticalEdgeType, - @Nullable Object childView, @Nullable Object parentView) { - ResizeHandler state = new ResizeHandler(parent, child, mRulesEngine, - horizontalEdgeType, verticalEdgeType); - return new DropFeedback(state, new GuidelinePainter()); - } - - @Override - public void onResizeUpdate(@Nullable DropFeedback feedback, @NonNull INode child, - @NonNull INode parent, @NonNull Rect newBounds, - int modifierMask) { - if (feedback == null) { - return; - } - - ResizeHandler state = (ResizeHandler) feedback.userData; - state.updateResize(feedback, child, newBounds, modifierMask); - } - - @Override - public void onResizeEnd(@Nullable DropFeedback feedback, @NonNull INode child, - @NonNull INode parent, final @NonNull Rect newBounds) { - if (feedback == null) { - return; - } - final ResizeHandler state = (ResizeHandler) feedback.userData; - - child.editXml("Resize", new INodeHandler() { - @Override - public void handle(@NonNull INode n) { - state.removeCycles(); - state.applyConstraints(n); - } - }); - } - - // ==== Layout Actions Bar ==== - - @Override - public void addLayoutActions( - @NonNull List<RuleAction> actions, - final @NonNull INode parentNode, - final @NonNull List<? extends INode> children) { - super.addLayoutActions(actions, parentNode, children); - - actions.add(createGravityAction(Collections.<INode>singletonList(parentNode), - ATTR_GRAVITY)); - actions.add(RuleAction.createSeparator(25)); - actions.add(createMarginAction(parentNode, children)); - - IMenuCallback callback = new IMenuCallback() { - @Override - public void action(@NonNull RuleAction action, - @NonNull List<? extends INode> selectedNodes, - final @Nullable String valueId, - final @Nullable Boolean newValue) { - final String id = action.getId(); - if (id.equals(ACTION_CENTER_VERTICAL)|| id.equals(ACTION_CENTER_HORIZONTAL)) { - parentNode.editXml("Center", new INodeHandler() { - @Override - public void handle(@NonNull INode n) { - if (id.equals(ACTION_CENTER_VERTICAL)) { - for (INode child : children) { - centerVertically(child); - } - } else if (id.equals(ACTION_CENTER_HORIZONTAL)) { - for (INode child : children) { - centerHorizontally(child); - } - } - mRulesEngine.redraw(); - } - - }); - } else if (id.equals(ACTION_SHOW_CONSTRAINTS)) { - sShowConstraints = !sShowConstraints; - mRulesEngine.redraw(); - } else { - assert id.equals(ACTION_SHOW_STRUCTURE); - sShowStructure = !sShowStructure; - mRulesEngine.redraw(); - } - } - }; - - // Centering actions - if (children != null && children.size() > 0) { - actions.add(RuleAction.createSeparator(150)); - actions.add(RuleAction.createAction(ACTION_CENTER_VERTICAL, "Center Vertically", - callback, ICON_CENTER_VERTICALLY, 160, false)); - actions.add(RuleAction.createAction(ACTION_CENTER_HORIZONTAL, "Center Horizontally", - callback, ICON_CENTER_HORIZONTALLY, 170, false)); - } - - actions.add(RuleAction.createSeparator(80)); - actions.add(RuleAction.createToggle(ACTION_SHOW_CONSTRAINTS, "Show Constraints", - sShowConstraints, callback, ICON_SHOW_CONSTRAINTS, 180, false)); - actions.add(RuleAction.createToggle(ACTION_SHOW_STRUCTURE, "Show All Relationships", - sShowStructure, callback, ICON_SHOW_STRUCTURE, 190, false)); - } - - private void centerHorizontally(INode node) { - // Clear horizontal-oriented attributes from the node - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_PARENT_LEFT, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_LEFT, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_TO_RIGHT_OF, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_HORIZONTAL, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_PARENT_RIGHT, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_RIGHT, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_TO_LEFT_OF, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_HORIZONTAL, null); - - if (VALUE_TRUE.equals(node.getStringAttr(ANDROID_URI, ATTR_LAYOUT_CENTER_IN_PARENT))) { - // Already done - } else if (VALUE_TRUE.equals(node.getStringAttr(ANDROID_URI, - ATTR_LAYOUT_CENTER_VERTICAL))) { - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_VERTICAL, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_IN_PARENT, VALUE_TRUE); - } else { - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_HORIZONTAL, VALUE_TRUE); - } - } - - private void centerVertically(INode node) { - // Clear vertical-oriented attributes from the node - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_PARENT_TOP, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_TOP, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_BELOW, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_PARENT_BOTTOM, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_BOTTOM, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ABOVE, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_VERTICAL, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_ALIGN_BASELINE, null); - - // Center vertically - if (VALUE_TRUE.equals(node.getStringAttr(ANDROID_URI, ATTR_LAYOUT_CENTER_IN_PARENT))) { - // ALready done - } else if (VALUE_TRUE.equals(node.getStringAttr(ANDROID_URI, - ATTR_LAYOUT_CENTER_HORIZONTAL))) { - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_HORIZONTAL, null); - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_IN_PARENT, VALUE_TRUE); - } else { - node.setAttribute(ANDROID_URI, ATTR_LAYOUT_CENTER_VERTICAL, VALUE_TRUE); - } - } -} |