| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.layoutlib.bridge.impl.binding; |
| |
| import com.android.ide.common.rendering.api.DataBindingItem; |
| import com.android.ide.common.rendering.api.LayoutlibCallback; |
| import com.android.ide.common.rendering.api.LayoutLog; |
| import com.android.ide.common.rendering.api.ResourceReference; |
| import com.android.ide.common.rendering.api.IProjectCallback.ViewAttribute; |
| import com.android.layoutlib.bridge.Bridge; |
| import com.android.layoutlib.bridge.android.BridgeContext; |
| import com.android.layoutlib.bridge.impl.RenderAction; |
| import com.android.util.Pair; |
| |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.AdapterView; |
| import android.widget.Checkable; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| /** |
| * A Helper class to do fake data binding in {@link AdapterView} objects. |
| */ |
| public class AdapterHelper { |
| |
| @SuppressWarnings("deprecation") |
| static Pair<View, Boolean> getView(AdapterItem item, AdapterItem parentItem, ViewGroup parent, |
| LayoutlibCallback callback, ResourceReference adapterRef, boolean skipCallbackParser) { |
| // we don't care about recycling here because we never scroll. |
| DataBindingItem dataBindingItem = item.getDataBindingItem(); |
| |
| BridgeContext context = RenderAction.getCurrentContext(); |
| |
| Pair<View, Boolean> pair = context.inflateView(dataBindingItem.getViewReference(), |
| parent, false /*attachToRoot*/, skipCallbackParser); |
| |
| View view = pair.getFirst(); |
| skipCallbackParser |= pair.getSecond(); |
| |
| if (view != null) { |
| fillView(context, view, item, parentItem, callback, adapterRef); |
| } else { |
| // create a text view to display an error. |
| TextView tv = new TextView(context); |
| tv.setText("Unable to find layout: " + dataBindingItem.getViewReference().getName()); |
| view = tv; |
| } |
| |
| return Pair.of(view, skipCallbackParser); |
| } |
| |
| private static void fillView(BridgeContext context, View view, AdapterItem item, |
| AdapterItem parentItem, LayoutlibCallback callback, ResourceReference adapterRef) { |
| if (view instanceof ViewGroup) { |
| ViewGroup group = (ViewGroup) view; |
| final int count = group.getChildCount(); |
| for (int i = 0 ; i < count ; i++) { |
| fillView(context, group.getChildAt(i), item, parentItem, callback, adapterRef); |
| } |
| } else { |
| int id = view.getId(); |
| if (id != 0) { |
| ResourceReference resolvedRef = context.resolveId(id); |
| if (resolvedRef != null) { |
| int fullPosition = item.getFullPosition(); |
| int positionPerType = item.getPositionPerType(); |
| int fullParentPosition = parentItem != null ? parentItem.getFullPosition() : 0; |
| int parentPositionPerType = parentItem != null ? |
| parentItem.getPositionPerType() : 0; |
| |
| if (view instanceof TextView) { |
| TextView tv = (TextView) view; |
| Object value = callback.getAdapterItemValue( |
| adapterRef, context.getViewKey(view), |
| item.getDataBindingItem().getViewReference(), |
| fullPosition, positionPerType, |
| fullParentPosition, parentPositionPerType, |
| resolvedRef, ViewAttribute.TEXT, tv.getText().toString()); |
| if (value != null) { |
| if (value.getClass() != ViewAttribute.TEXT.getAttributeClass()) { |
| Bridge.getLog().error(LayoutLog.TAG_BROKEN, String.format( |
| "Wrong Adapter Item value class for TEXT. Expected String, got %s", |
| value.getClass().getName()), null); |
| } else { |
| tv.setText((String) value); |
| } |
| } |
| } |
| |
| if (view instanceof Checkable) { |
| Checkable cb = (Checkable) view; |
| |
| Object value = callback.getAdapterItemValue( |
| adapterRef, context.getViewKey(view), |
| item.getDataBindingItem().getViewReference(), |
| fullPosition, positionPerType, |
| fullParentPosition, parentPositionPerType, |
| resolvedRef, ViewAttribute.IS_CHECKED, cb.isChecked()); |
| if (value != null) { |
| if (value.getClass() != ViewAttribute.IS_CHECKED.getAttributeClass()) { |
| Bridge.getLog().error(LayoutLog.TAG_BROKEN, String.format( |
| "Wrong Adapter Item value class for IS_CHECKED. Expected Boolean, got %s", |
| value.getClass().getName()), null); |
| } else { |
| cb.setChecked((Boolean) value); |
| } |
| } |
| } |
| |
| if (view instanceof ImageView) { |
| ImageView iv = (ImageView) view; |
| |
| Object value = callback.getAdapterItemValue( |
| adapterRef, context.getViewKey(view), |
| item.getDataBindingItem().getViewReference(), |
| fullPosition, positionPerType, |
| fullParentPosition, parentPositionPerType, |
| resolvedRef, ViewAttribute.SRC, iv.getDrawable()); |
| if (value != null) { |
| if (value.getClass() != ViewAttribute.SRC.getAttributeClass()) { |
| Bridge.getLog().error(LayoutLog.TAG_BROKEN, String.format( |
| "Wrong Adapter Item value class for SRC. Expected Boolean, got %s", |
| value.getClass().getName()), null); |
| } else { |
| // FIXME |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |