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Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/BaseViewRule.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/BaseViewRule.java | 996 |
1 files changed, 0 insertions, 996 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/BaseViewRule.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/BaseViewRule.java deleted file mode 100644 index 83ce9ef8f..000000000 --- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/BaseViewRule.java +++ /dev/null @@ -1,996 +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_CLASS; -import static com.android.SdkConstants.ATTR_HINT; -import static com.android.SdkConstants.ATTR_ID; -import static com.android.SdkConstants.ATTR_LAYOUT_HEIGHT; -import static com.android.SdkConstants.ATTR_LAYOUT_RESOURCE_PREFIX; -import static com.android.SdkConstants.ATTR_LAYOUT_WIDTH; -import static com.android.SdkConstants.ATTR_STYLE; -import static com.android.SdkConstants.ATTR_TEXT; -import static com.android.SdkConstants.DOT_LAYOUT_PARAMS; -import static com.android.SdkConstants.ID_PREFIX; -import static com.android.SdkConstants.NEW_ID_PREFIX; -import static com.android.SdkConstants.VALUE_FALSE; -import static com.android.SdkConstants.VALUE_FILL_PARENT; -import static com.android.SdkConstants.VALUE_MATCH_PARENT; -import static com.android.SdkConstants.VALUE_TRUE; -import static com.android.SdkConstants.VALUE_WRAP_CONTENT; -import static com.android.SdkConstants.VIEW_FRAGMENT; - -import com.android.annotations.NonNull; -import com.android.annotations.Nullable; -import com.android.ide.common.api.AbstractViewRule; -import com.android.ide.common.api.IAttributeInfo; -import com.android.ide.common.api.IAttributeInfo.Format; -import com.android.ide.common.api.IClientRulesEngine; -import com.android.ide.common.api.IDragElement; -import com.android.ide.common.api.IMenuCallback; -import com.android.ide.common.api.INode; -import com.android.ide.common.api.IViewMetadata; -import com.android.ide.common.api.IViewRule; -import com.android.ide.common.api.RuleAction; -import com.android.ide.common.api.RuleAction.ActionProvider; -import com.android.ide.common.api.RuleAction.ChoiceProvider; -import com.android.resources.ResourceType; -import com.android.utils.Pair; - -import java.net.URL; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; -import java.util.Collections; -import java.util.Comparator; -import java.util.EnumSet; -import java.util.HashMap; -import java.util.HashSet; -import java.util.LinkedList; -import java.util.List; -import java.util.Locale; -import java.util.Map; -import java.util.Map.Entry; -import java.util.Set; - -/** - * Common IViewRule processing to all view and layout classes. - */ -public class BaseViewRule extends AbstractViewRule { - /** List of recently edited properties */ - private static List<String> sRecent = new LinkedList<String>(); - - /** Maximum number of recent properties to track and list */ - private final static int MAX_RECENT_COUNT = 12; - - // Strings used as internal ids, group ids and prefixes for actions - private static final String FALSE_ID = "false"; //$NON-NLS-1$ - private static final String TRUE_ID = "true"; //$NON-NLS-1$ - private static final String PROP_PREFIX = "@prop@"; //$NON-NLS-1$ - private static final String CLEAR_ID = "clear"; //$NON-NLS-1$ - private static final String ZCUSTOM = "zcustom"; //$NON-NLS-1$ - - protected IClientRulesEngine mRulesEngine; - - // Cache of attributes. Key is FQCN of a node mixed with its view hierarchy - // parent. Values are a custom map as needed by getContextMenu. - private Map<String, Map<String, Prop>> mAttributesMap = - new HashMap<String, Map<String, Prop>>(); - - @Override - public boolean onInitialize(@NonNull String fqcn, @NonNull IClientRulesEngine engine) { - mRulesEngine = engine; - - // This base rule can handle any class so we don't need to filter on - // FQCN. Derived classes should do so if they can handle some - // subclasses. - - // If onInitialize returns false, it means it can't handle the given - // FQCN and will be unloaded. - - return true; - } - - /** - * Returns the {@link IClientRulesEngine} associated with this {@link IViewRule} - * - * @return the {@link IClientRulesEngine} associated with this {@link IViewRule} - */ - public IClientRulesEngine getRulesEngine() { - return mRulesEngine; - } - - // === Context Menu === - - /** - * Generate custom actions for the context menu: <br/> - * - Explicit layout_width and layout_height attributes. - * - List of all other simple toggle attributes. - */ - @Override - public void addContextMenuActions(@NonNull List<RuleAction> actions, - final @NonNull INode selectedNode) { - String width = null; - String currentWidth = selectedNode.getStringAttr(ANDROID_URI, ATTR_LAYOUT_WIDTH); - - String fillParent = getFillParentValueName(); - boolean canMatchParent = supportsMatchParent(); - if (canMatchParent && VALUE_FILL_PARENT.equals(currentWidth)) { - currentWidth = VALUE_MATCH_PARENT; - } else if (!canMatchParent && VALUE_MATCH_PARENT.equals(currentWidth)) { - currentWidth = VALUE_FILL_PARENT; - } else if (!VALUE_WRAP_CONTENT.equals(currentWidth) && !fillParent.equals(currentWidth)) { - width = currentWidth; - } - - String height = null; - String currentHeight = selectedNode.getStringAttr(ANDROID_URI, ATTR_LAYOUT_HEIGHT); - - if (canMatchParent && VALUE_FILL_PARENT.equals(currentHeight)) { - currentHeight = VALUE_MATCH_PARENT; - } else if (!canMatchParent && VALUE_MATCH_PARENT.equals(currentHeight)) { - currentHeight = VALUE_FILL_PARENT; - } else if (!VALUE_WRAP_CONTENT.equals(currentHeight) - && !fillParent.equals(currentHeight)) { - height = currentHeight; - } - final String newWidth = width; - final String newHeight = height; - - final IMenuCallback onChange = new IMenuCallback() { - @Override - public void action( - final @NonNull RuleAction action, - final @NonNull List<? extends INode> selectedNodes, - final @Nullable String valueId, final @Nullable Boolean newValue) { - String fullActionId = action.getId(); - boolean isProp = fullActionId.startsWith(PROP_PREFIX); - final String actionId = isProp ? - fullActionId.substring(PROP_PREFIX.length()) : fullActionId; - - if (fullActionId.equals(ATTR_LAYOUT_WIDTH)) { - final String newAttrValue = getValue(valueId, newWidth); - if (newAttrValue != null) { - for (INode node : selectedNodes) { - node.editXml("Change Attribute " + ATTR_LAYOUT_WIDTH, - new PropertySettingNodeHandler(ANDROID_URI, - ATTR_LAYOUT_WIDTH, newAttrValue)); - } - editedProperty(ATTR_LAYOUT_WIDTH); - } - return; - } else if (fullActionId.equals(ATTR_LAYOUT_HEIGHT)) { - // Ask the user - final String newAttrValue = getValue(valueId, newHeight); - if (newAttrValue != null) { - for (INode node : selectedNodes) { - node.editXml("Change Attribute " + ATTR_LAYOUT_HEIGHT, - new PropertySettingNodeHandler(ANDROID_URI, - ATTR_LAYOUT_HEIGHT, newAttrValue)); - } - editedProperty(ATTR_LAYOUT_HEIGHT); - } - return; - } else if (fullActionId.equals(ATTR_ID)) { - // Ids must be set individually so open the id dialog for each - // selected node (though allow cancel to break the loop) - for (INode node : selectedNodes) { - if (!mRulesEngine.rename(node)) { - break; - } - } - editedProperty(ATTR_ID); - return; - } else if (isProp) { - INode firstNode = selectedNodes.get(0); - String key = getPropertyMapKey(selectedNode); - Map<String, Prop> props = mAttributesMap.get(key); - final Prop prop = (props != null) ? props.get(actionId) : null; - - if (prop != null) { - editedProperty(actionId); - - // For custom values (requiring an input dialog) input the - // value outside the undo-block. - // Input the value as a text, unless we know it's the "text" or - // "style" attributes (where we know we want to ask for specific - // resource types). - String uri = ANDROID_URI; - String v = null; - if (prop.isStringEdit()) { - boolean isStyle = actionId.equals(ATTR_STYLE); - boolean isText = actionId.equals(ATTR_TEXT); - boolean isHint = actionId.equals(ATTR_HINT); - if (isStyle || isText || isHint) { - String resourceTypeName = isStyle - ? ResourceType.STYLE.getName() - : ResourceType.STRING.getName(); - String oldValue = selectedNodes.size() == 1 - ? (isStyle ? firstNode.getStringAttr(ATTR_STYLE, actionId) - : firstNode.getStringAttr(ANDROID_URI, actionId)) - : ""; //$NON-NLS-1$ - oldValue = ensureValidString(oldValue); - v = mRulesEngine.displayResourceInput(resourceTypeName, oldValue); - if (isStyle) { - uri = null; - } - } else if (actionId.equals(ATTR_CLASS) && selectedNodes.size() >= 1 && - VIEW_FRAGMENT.equals(selectedNodes.get(0).getFqcn())) { - v = mRulesEngine.displayFragmentSourceInput(); - uri = null; - } else { - v = inputAttributeValue(firstNode, actionId); - } - } - final String customValue = v; - - for (INode n : selectedNodes) { - if (prop.isToggle()) { - // case of toggle - String value = ""; //$NON-NLS-1$ - if (valueId.equals(TRUE_ID)) { - value = newValue ? "true" : ""; //$NON-NLS-1$ //$NON-NLS-2$ - } else if (valueId.equals(FALSE_ID)) { - value = newValue ? "false" : "";//$NON-NLS-1$ //$NON-NLS-2$ - } - n.setAttribute(uri, actionId, value); - } else if (prop.isFlag()) { - // case of a flag - String values = ""; //$NON-NLS-1$ - if (!valueId.equals(CLEAR_ID)) { - values = n.getStringAttr(ANDROID_URI, actionId); - Set<String> newValues = new HashSet<String>(); - if (values != null) { - newValues.addAll(Arrays.asList( - values.split("\\|"))); //$NON-NLS-1$ - } - if (newValue) { - newValues.add(valueId); - } else { - newValues.remove(valueId); - } - - List<String> sorted = new ArrayList<String>(newValues); - Collections.sort(sorted); - values = join('|', sorted); - - // Special case - if (valueId.equals("normal")) { //$NON-NLS-1$ - // For textStyle for example, if you have "bold|italic" - // and you select the "normal" property, this should - // not behave in the normal flag way and "or" itself in; - // it should replace the other two. - // This also applies to imeOptions. - values = valueId; - } - } - n.setAttribute(uri, actionId, values); - } else if (prop.isEnum()) { - // case of an enum - String value = ""; //$NON-NLS-1$ - if (!valueId.equals(CLEAR_ID)) { - value = newValue ? valueId : ""; //$NON-NLS-1$ - } - n.setAttribute(uri, actionId, value); - } else { - assert prop.isStringEdit(); - // We've already received the value outside the undo block - if (customValue != null) { - n.setAttribute(uri, actionId, customValue); - } - } - } - } - } - } - - /** - * Input the custom value for the given attribute. This will use the Reference - * Chooser if it is a reference value, otherwise a plain text editor. - */ - private String inputAttributeValue(final INode node, final String attribute) { - String oldValue = node.getStringAttr(ANDROID_URI, attribute); - oldValue = ensureValidString(oldValue); - IAttributeInfo attributeInfo = node.getAttributeInfo(ANDROID_URI, attribute); - if (attributeInfo != null - && attributeInfo.getFormats().contains(Format.REFERENCE)) { - return mRulesEngine.displayReferenceInput(oldValue); - } else { - // A single resource type? If so use a resource chooser initialized - // to this specific type - /* This does not work well, because the metadata is a bit misleading: - * for example a Button's "text" property and a Button's "onClick" property - * both claim to be of type [string], but @string/ is NOT valid for - * onClick.. - if (attributeInfo != null && attributeInfo.getFormats().length == 1) { - // Resource chooser - Format format = attributeInfo.getFormats()[0]; - return mRulesEngine.displayResourceInput(format.name(), oldValue); - } - */ - - // Fallback: just edit the raw XML string - String message = String.format("New %1$s Value:", attribute); - return mRulesEngine.displayInput(message, oldValue, null); - } - } - - /** - * Returns the value (which will ask the user if the value is the special - * {@link #ZCUSTOM} marker - */ - private String getValue(String valueId, String defaultValue) { - if (valueId.equals(ZCUSTOM)) { - if (defaultValue == null) { - defaultValue = ""; - } - String value = mRulesEngine.displayInput( - "Set custom layout attribute value (example: 50dp)", - defaultValue, null); - if (value != null && value.trim().length() > 0) { - return value.trim(); - } else { - return null; - } - } - - return valueId; - } - }; - - IAttributeInfo textAttribute = selectedNode.getAttributeInfo(ANDROID_URI, ATTR_TEXT); - if (textAttribute != null) { - actions.add(RuleAction.createAction(PROP_PREFIX + ATTR_TEXT, "Edit Text...", onChange, - null, 10, true)); - } - - String editIdLabel = selectedNode.getStringAttr(ANDROID_URI, ATTR_ID) != null ? - "Edit ID..." : "Assign ID..."; - actions.add(RuleAction.createAction(ATTR_ID, editIdLabel, onChange, null, 20, true)); - - addCommonPropertyActions(actions, selectedNode, onChange, 21); - - // Create width choice submenu - actions.add(RuleAction.createSeparator(32)); - List<Pair<String, String>> widthChoices = new ArrayList<Pair<String,String>>(4); - widthChoices.add(Pair.of(VALUE_WRAP_CONTENT, "Wrap Content")); - if (canMatchParent) { - widthChoices.add(Pair.of(VALUE_MATCH_PARENT, "Match Parent")); - } else { - widthChoices.add(Pair.of(VALUE_FILL_PARENT, "Fill Parent")); - } - if (width != null) { - widthChoices.add(Pair.of(width, width)); - } - widthChoices.add(Pair.of(ZCUSTOM, "Other...")); - actions.add(RuleAction.createChoices( - ATTR_LAYOUT_WIDTH, "Layout Width", - onChange, - null /* iconUrls */, - currentWidth, - null, 35, - true, // supportsMultipleNodes - widthChoices)); - - // Create height choice submenu - List<Pair<String, String>> heightChoices = new ArrayList<Pair<String,String>>(4); - heightChoices.add(Pair.of(VALUE_WRAP_CONTENT, "Wrap Content")); - if (canMatchParent) { - heightChoices.add(Pair.of(VALUE_MATCH_PARENT, "Match Parent")); - } else { - heightChoices.add(Pair.of(VALUE_FILL_PARENT, "Fill Parent")); - } - if (height != null) { - heightChoices.add(Pair.of(height, height)); - } - heightChoices.add(Pair.of(ZCUSTOM, "Other...")); - actions.add(RuleAction.createChoices( - ATTR_LAYOUT_HEIGHT, "Layout Height", - onChange, - null /* iconUrls */, - currentHeight, - null, 40, - true, - heightChoices)); - - actions.add(RuleAction.createSeparator(45)); - RuleAction properties = RuleAction.createChoices("properties", "Other Properties", //$NON-NLS-1$ - onChange /*callback*/, null /*icon*/, 50, - true /*supportsMultipleNodes*/, new ActionProvider() { - @Override - public @NonNull List<RuleAction> getNestedActions(@NonNull INode node) { - List<RuleAction> propertyActionTypes = new ArrayList<RuleAction>(); - propertyActionTypes.add(RuleAction.createChoices( - "recent", "Recent", //$NON-NLS-1$ - onChange /*callback*/, null /*icon*/, 10, - true /*supportsMultipleNodes*/, new ActionProvider() { - @Override - public @NonNull List<RuleAction> getNestedActions(@NonNull INode n) { - List<RuleAction> propertyActions = new ArrayList<RuleAction>(); - addRecentPropertyActions(propertyActions, n, onChange); - return propertyActions; - } - })); - - propertyActionTypes.add(RuleAction.createSeparator(20)); - - addInheritedProperties(propertyActionTypes, node, onChange, 30); - - propertyActionTypes.add(RuleAction.createSeparator(50)); - propertyActionTypes.add(RuleAction.createChoices( - "layoutparams", "Layout Parameters", //$NON-NLS-1$ - onChange /*callback*/, null /*icon*/, 60, - true /*supportsMultipleNodes*/, new ActionProvider() { - @Override - public @NonNull List<RuleAction> getNestedActions(@NonNull INode n) { - List<RuleAction> propertyActions = new ArrayList<RuleAction>(); - addPropertyActions(propertyActions, n, onChange, null, true); - return propertyActions; - } - })); - - propertyActionTypes.add(RuleAction.createSeparator(70)); - - propertyActionTypes.add(RuleAction.createChoices( - "allprops", "All By Name", //$NON-NLS-1$ - onChange /*callback*/, null /*icon*/, 80, - true /*supportsMultipleNodes*/, new ActionProvider() { - @Override - public @NonNull List<RuleAction> getNestedActions(@NonNull INode n) { - List<RuleAction> propertyActions = new ArrayList<RuleAction>(); - addPropertyActions(propertyActions, n, onChange, null, false); - return propertyActions; - } - })); - - return propertyActionTypes; - } - }); - - actions.add(properties); - } - - @Override - @Nullable - public String getDefaultActionId(@NonNull final INode selectedNode) { - IAttributeInfo textAttribute = selectedNode.getAttributeInfo(ANDROID_URI, ATTR_TEXT); - if (textAttribute != null) { - return PROP_PREFIX + ATTR_TEXT; - } - - return null; - } - - private static String getPropertyMapKey(INode node) { - // Compute the key for mAttributesMap. This depends on the type of this - // node and its parent in the view hierarchy. - StringBuilder sb = new StringBuilder(); - sb.append(node.getFqcn()); - sb.append('_'); - INode parent = node.getParent(); - if (parent != null) { - sb.append(parent.getFqcn()); - } - return sb.toString(); - } - - /** - * Adds menu items for the inherited attributes, one pull-right menu for each super class - * that defines attributes. - * - * @param propertyActionTypes the actions list to add into - * @param node the node to apply the attributes to - * @param onChange the callback to use for setting attributes - * @param sortPriority the initial sort attribute for the first menu item - */ - private void addInheritedProperties(List<RuleAction> propertyActionTypes, INode node, - final IMenuCallback onChange, int sortPriority) { - List<String> attributeSources = node.getAttributeSources(); - for (final String definedBy : attributeSources) { - String sourceClass = definedBy; - - // Strip package prefixes when necessary - int index = sourceClass.length(); - if (sourceClass.endsWith(DOT_LAYOUT_PARAMS)) { - index = sourceClass.length() - DOT_LAYOUT_PARAMS.length() - 1; - } - int lastDot = sourceClass.lastIndexOf('.', index); - if (lastDot != -1) { - sourceClass = sourceClass.substring(lastDot + 1); - } - - String label; - if (definedBy.equals(node.getFqcn())) { - label = String.format("Defined by %1$s", sourceClass); - } else { - label = String.format("Inherited from %1$s", sourceClass); - } - - propertyActionTypes.add(RuleAction.createChoices("def_" + definedBy, - label, - onChange /*callback*/, null /*icon*/, sortPriority++, - true /*supportsMultipleNodes*/, new ActionProvider() { - @Override - public @NonNull List<RuleAction> getNestedActions(@NonNull INode n) { - List<RuleAction> propertyActions = new ArrayList<RuleAction>(); - addPropertyActions(propertyActions, n, onChange, definedBy, false); - return propertyActions; - } - })); - } - } - - /** - * Creates a list of properties that are commonly edited for views of the - * selected node's type - */ - private void addCommonPropertyActions(List<RuleAction> actions, INode selectedNode, - IMenuCallback onChange, int sortPriority) { - Map<String, Prop> properties = getPropertyMetadata(selectedNode); - IViewMetadata metadata = mRulesEngine.getMetadata(selectedNode.getFqcn()); - if (metadata != null) { - List<String> attributes = metadata.getTopAttributes(); - if (attributes.size() > 0) { - for (String attribute : attributes) { - // Text and ID are handled manually in the menu construction code because - // we want to place them consistently and customize the action label - if (ATTR_TEXT.equals(attribute) || ATTR_ID.equals(attribute)) { - continue; - } - - Prop property = properties.get(attribute); - if (property != null) { - String title = property.getTitle(); - if (title.endsWith("...")) { - title = String.format("Edit %1$s", property.getTitle()); - } - actions.add(createPropertyAction(property, attribute, title, - selectedNode, onChange, sortPriority)); - sortPriority++; - } - } - } - } - } - - /** - * Record that the given property was just edited; adds it to the front of - * the recently edited property list - * - * @param property the name of the property - */ - static void editedProperty(String property) { - if (sRecent.contains(property)) { - sRecent.remove(property); - } else if (sRecent.size() > MAX_RECENT_COUNT) { - sRecent.remove(sRecent.size() - 1); - } - sRecent.add(0, property); - } - - /** - * Creates a list of recently modified properties that apply to the given selected node - */ - private void addRecentPropertyActions(List<RuleAction> actions, INode selectedNode, - IMenuCallback onChange) { - int sortPriority = 10; - Map<String, Prop> properties = getPropertyMetadata(selectedNode); - for (String attribute : sRecent) { - Prop property = properties.get(attribute); - if (property != null) { - actions.add(createPropertyAction(property, attribute, property.getTitle(), - selectedNode, onChange, sortPriority)); - sortPriority += 10; - } - } - } - - /** - * Creates a list of nested actions representing the property-setting - * actions for the given selected node - */ - private void addPropertyActions(List<RuleAction> actions, INode selectedNode, - IMenuCallback onChange, String definedBy, boolean layoutParamsOnly) { - - Map<String, Prop> properties = getPropertyMetadata(selectedNode); - - int sortPriority = 10; - for (Map.Entry<String, Prop> entry : properties.entrySet()) { - String id = entry.getKey(); - Prop property = entry.getValue(); - if (layoutParamsOnly) { - // If we have definedBy information, that is most accurate; all layout - // params will be defined by a class whose name ends with - // .LayoutParams: - if (definedBy != null) { - if (!definedBy.endsWith(DOT_LAYOUT_PARAMS)) { - continue; - } - } else if (!id.startsWith(ATTR_LAYOUT_RESOURCE_PREFIX)) { - continue; - } - } - if (definedBy != null && !definedBy.equals(property.getDefinedBy())) { - continue; - } - actions.add(createPropertyAction(property, id, property.getTitle(), - selectedNode, onChange, sortPriority)); - sortPriority += 10; - } - - // The properties are coming out of map key order which isn't right, so sort - // alphabetically instead - Collections.sort(actions, new Comparator<RuleAction>() { - @Override - public int compare(RuleAction action1, RuleAction action2) { - return action1.getTitle().compareTo(action2.getTitle()); - } - }); - } - - private RuleAction createPropertyAction(Prop p, String id, String title, INode selectedNode, - IMenuCallback onChange, int sortPriority) { - if (p.isToggle()) { - // Toggles are handled as a multiple-choice between true, false - // and nothing (clear) - String value = selectedNode.getStringAttr(ANDROID_URI, id); - if (value != null) { - value = value.toLowerCase(Locale.US); - } - if (VALUE_TRUE.equals(value)) { - value = TRUE_ID; - } else if (VALUE_FALSE.equals(value)) { - value = FALSE_ID; - } else { - value = CLEAR_ID; - } - return RuleAction.createChoices(PROP_PREFIX + id, title, - onChange, BOOLEAN_CHOICE_PROVIDER, - value, - null, sortPriority, - true); - } else if (p.getChoices() != null) { - // Enum or flags. Their possible values are the multiple-choice - // items, with an extra "clear" option to remove everything. - String current = selectedNode.getStringAttr(ANDROID_URI, id); - if (current == null || current.length() == 0) { - current = CLEAR_ID; - } - return RuleAction.createChoices(PROP_PREFIX + id, title, - onChange, new EnumPropertyChoiceProvider(p), - current, - null, sortPriority, - true); - } else { - return RuleAction.createAction( - PROP_PREFIX + id, - title, - onChange, - null, sortPriority, - true); - } - } - - private Map<String, Prop> getPropertyMetadata(final INode selectedNode) { - String key = getPropertyMapKey(selectedNode); - Map<String, Prop> props = mAttributesMap.get(key); - if (props == null) { - // Prepare the property map - props = new HashMap<String, Prop>(); - for (IAttributeInfo attrInfo : selectedNode.getDeclaredAttributes()) { - String id = attrInfo != null ? attrInfo.getName() : null; - if (id == null || id.equals(ATTR_LAYOUT_WIDTH) || id.equals(ATTR_LAYOUT_HEIGHT)) { - // Layout width/height are already handled at the root level - continue; - } - if (attrInfo == null) { - continue; - } - EnumSet<Format> formats = attrInfo.getFormats(); - - String title = getAttributeDisplayName(id); - - String definedBy = attrInfo != null ? attrInfo.getDefinedBy() : null; - if (formats.contains(IAttributeInfo.Format.BOOLEAN)) { - props.put(id, new Prop(title, true, definedBy)); - } else if (formats.contains(IAttributeInfo.Format.ENUM)) { - // Convert each enum into a map id=>title - Map<String, String> values = new HashMap<String, String>(); - if (attrInfo != null) { - for (String e : attrInfo.getEnumValues()) { - values.put(e, getAttributeDisplayName(e)); - } - } - - props.put(id, new Prop(title, false, false, values, definedBy)); - } else if (formats.contains(IAttributeInfo.Format.FLAG)) { - // Convert each flag into a map id=>title - Map<String, String> values = new HashMap<String, String>(); - if (attrInfo != null) { - for (String e : attrInfo.getFlagValues()) { - values.put(e, getAttributeDisplayName(e)); - } - } - - props.put(id, new Prop(title, false, true, values, definedBy)); - } else { - props.put(id, new Prop(title + "...", false, definedBy)); - } - } - mAttributesMap.put(key, props); - } - return props; - } - - /** - * A {@link ChoiceProvder} which provides alternatives suitable for choosing - * values for a boolean property: true, false, or "default". - */ - private static ChoiceProvider BOOLEAN_CHOICE_PROVIDER = new ChoiceProvider() { - @Override - public void addChoices(@NonNull List<String> titles, @NonNull List<URL> iconUrls, - @NonNull List<String> ids) { - titles.add("True"); - ids.add(TRUE_ID); - - titles.add("False"); - ids.add(FALSE_ID); - - titles.add(RuleAction.SEPARATOR); - ids.add(RuleAction.SEPARATOR); - - titles.add("Default"); - ids.add(CLEAR_ID); - } - }; - - /** - * A {@link ChoiceProvider} which provides the various available - * attribute values available for a given {@link Prop} property descriptor. - */ - private static class EnumPropertyChoiceProvider implements ChoiceProvider { - private Prop mProperty; - - public EnumPropertyChoiceProvider(Prop property) { - super(); - mProperty = property; - } - - @Override - public void addChoices(@NonNull List<String> titles, @NonNull List<URL> iconUrls, - @NonNull List<String> ids) { - for (Entry<String, String> entry : mProperty.getChoices().entrySet()) { - ids.add(entry.getKey()); - titles.add(entry.getValue()); - } - - titles.add(RuleAction.SEPARATOR); - ids.add(RuleAction.SEPARATOR); - - titles.add("Default"); - ids.add(CLEAR_ID); - } - } - - /** - * Returns true if the given node is "filled" (e.g. has layout width set to match - * parent or fill parent - */ - protected final boolean isFilled(INode node, String attribute) { - String value = node.getStringAttr(ANDROID_URI, attribute); - return VALUE_MATCH_PARENT.equals(value) || VALUE_FILL_PARENT.equals(value); - } - - /** - * Returns fill_parent or match_parent, depending on whether the minimum supported - * platform supports match_parent or not - * - * @return match_parent or fill_parent depending on which is supported by the project - */ - protected final String getFillParentValueName() { - return supportsMatchParent() ? VALUE_MATCH_PARENT : VALUE_FILL_PARENT; - } - - /** - * Returns true if the project supports match_parent instead of just fill_parent - * - * @return true if the project supports match_parent instead of just fill_parent - */ - protected final boolean supportsMatchParent() { - // fill_parent was renamed match_parent in API level 8 - return mRulesEngine.getMinApiLevel() >= 8; - } - - /** Join strings into a single string with the given delimiter */ - static String join(char delimiter, Collection<String> strings) { - StringBuilder sb = new StringBuilder(100); - for (String s : strings) { - if (sb.length() > 0) { - sb.append(delimiter); - } - sb.append(s); - } - return sb.toString(); - } - - static Map<String, String> concatenate(Map<String, String> pre, Map<String, String> post) { - Map<String, String> result = new HashMap<String, String>(pre.size() + post.size()); - result.putAll(pre); - result.putAll(post); - return result; - } - - // Quick utility for building up maps declaratively to minimize the diffs - static Map<String, String> mapify(String... values) { - Map<String, String> map = new HashMap<String, String>(values.length / 2); - for (int i = 0; i < values.length; i += 2) { - String key = values[i]; - if (key == null) { - continue; - } - String value = values[i + 1]; - map.put(key, value); - } - - return map; - } - - /** - * Produces a display name for an attribute, usually capitalizing the attribute name - * and splitting up underscores into new words - * - * @param name the attribute name to convert - * @return a display name for the attribute name - */ - public static String getAttributeDisplayName(String name) { - if (name != null && name.length() > 0) { - StringBuilder sb = new StringBuilder(); - boolean capitalizeNext = true; - for (int i = 0, n = name.length(); i < n; i++) { - char c = name.charAt(i); - if (capitalizeNext) { - c = Character.toUpperCase(c); - } - capitalizeNext = false; - if (c == '_') { - c = ' '; - capitalizeNext = true; - } - sb.append(c); - } - - return sb.toString(); - } - - return name; - } - - - // ==== Paste support ==== - - /** - * Most views can't accept children so there's nothing to paste on them. In - * this case, defer the call to the parent layout and use the target node as - * an indication of where to paste. - */ - @Override - public void onPaste(@NonNull INode targetNode, @Nullable Object targetView, - @NonNull IDragElement[] elements) { - // - INode parent = targetNode.getParent(); - if (parent != null) { - String parentFqcn = parent.getFqcn(); - IViewRule parentRule = mRulesEngine.loadRule(parentFqcn); - - if (parentRule instanceof BaseLayoutRule) { - ((BaseLayoutRule) parentRule).onPasteBeforeChild(parent, targetView, targetNode, - elements); - } - } - } - - /** - * Support class for the context menu code. Stores state about properties in - * the context menu. - */ - private static class Prop { - private final boolean mToggle; - private final boolean mFlag; - private final String mTitle; - private final Map<String, String> mChoices; - private String mDefinedBy; - - public Prop(String title, boolean isToggle, boolean isFlag, Map<String, String> choices, - String definedBy) { - mTitle = title; - mToggle = isToggle; - mFlag = isFlag; - mChoices = choices; - mDefinedBy = definedBy; - } - - public String getDefinedBy() { - return mDefinedBy; - } - - public Prop(String title, boolean isToggle, String definedBy) { - this(title, isToggle, false, null, definedBy); - } - - private boolean isToggle() { - return mToggle; - } - - private boolean isFlag() { - return mFlag && mChoices != null; - } - - private boolean isEnum() { - return !mFlag && mChoices != null; - } - - private String getTitle() { - return mTitle; - } - - private Map<String, String> getChoices() { - return mChoices; - } - - private boolean isStringEdit() { - return mChoices == null && !mToggle; - } - } - - /** - * Returns a source attribute value which points to a sample image. This is typically - * used to provide an initial image shown on ImageButtons, etc. There is no guarantee - * that the source pointed to by this method actually exists. - * - * @return a source attribute to use for sample images, never null - */ - protected final String getSampleImageSrc() { - // Builtin graphics available since v1: - return "@android:drawable/btn_star"; //$NON-NLS-1$ - } - - /** - * Strips the {@code @+id} or {@code @id} prefix off of the given id - * - * @param id attribute to be stripped - * @return the id name without the {@code @+id} or {@code @id} prefix - */ - @NonNull - public static String stripIdPrefix(@Nullable String id) { - if (id == null) { - return ""; //$NON-NLS-1$ - } else if (id.startsWith(NEW_ID_PREFIX)) { - return id.substring(NEW_ID_PREFIX.length()); - } else if (id.startsWith(ID_PREFIX)) { - return id.substring(ID_PREFIX.length()); - } - return id; - } - - private static String ensureValidString(String value) { - if (value == null) { - value = ""; //$NON-NLS-1$ - } - return value; - } - } |