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2772 lines (2220 loc) · 60.8 KB
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/*
* Copyright 2011 - AndroidQuery.com ([email protected])
*
* 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.androidquery;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Constructor;
import java.nio.channels.FileChannel;
import java.util.Iterator;
import java.util.Map;
import java.util.WeakHashMap;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.entity.StringEntity;
import org.json.JSONObject;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.text.Editable;
import android.text.Spanned;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.ViewGroup.MarginLayoutParams;
import android.view.ViewParent;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationUtils;
import android.webkit.WebView;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.Adapter;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ExpandableListAdapter;
import android.widget.ExpandableListView;
import android.widget.Gallery;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.RatingBar;
import android.widget.SeekBar;
import android.widget.Spinner;
import android.widget.TextView;
import com.androidquery.auth.AccountHandle;
import com.androidquery.callback.AbstractAjaxCallback;
import com.androidquery.callback.AjaxCallback;
import com.androidquery.callback.BitmapAjaxCallback;
import com.androidquery.callback.ImageOptions;
import com.androidquery.callback.Transformer;
import com.androidquery.util.AQUtility;
import com.androidquery.util.Common;
import com.androidquery.util.Constants;
import com.androidquery.util.WebImage;
/**
* The core class of AQuery. Contains all the methods available from an AQuery object.
*
* @param <T> the generic type
*/
public abstract class AbstractAQuery<T extends AbstractAQuery<T>> implements Constants {
private View root;
private Activity act;
private Context context;
protected View view;
protected Object progress;
protected AccountHandle ah;
private Transformer trans;
private Integer policy;
private HttpHost proxy;
protected T create(View view){
T result = null;
try{
Constructor<T> c = getConstructor();
result = (T) c.newInstance(view);
result.act = act;
}catch(Exception e){
//should never happen
e.printStackTrace();
}
return result;
}
private Constructor<T> constructor;
@SuppressWarnings("unchecked")
private Constructor<T> getConstructor(){
if(constructor == null){
try{
constructor = (Constructor<T>) getClass().getConstructor(View.class);
}catch(Exception e){
//should never happen
e.printStackTrace();
}
}
return constructor;
}
/**
* Instantiates a new AQuery object.
*
* @param act Activity that's the parent of the to-be-operated views.
*/
public AbstractAQuery(Activity act){
this.act = act;
}
/**
* Instantiates a new AQuery object.
*
* @param root View container that's the parent of the to-be-operated views.
*/
public AbstractAQuery(View root){
this.root = root;
this.view = root;
}
/**
* Instantiates a new AQuery object. This constructor should be used for Fragments.
*
* @param act Activity
* @param root View container that's the parent of the to-be-operated views.
*/
public AbstractAQuery(Activity act, View root){
this.root = root;
this.view = root;
this.act = act;
}
/**
* Instantiates a new AQuery object.
*
* @param context Context that will be used in async operations.
*/
public AbstractAQuery(Context context){
this.context = context;
}
private View findView(int id){
View result = null;
if(root != null){
result = root.findViewById(id);
}else if(act != null){
result = act.findViewById(id);
}
return result;
}
private View findView(String tag){
//((ViewGroup)findViewById(android.R.id.content)).getChildAt(0)
View result = null;
if(root != null){
result = root.findViewWithTag(tag);
}else if(act != null){
//result = act.findViewById(id);
View top = ((ViewGroup) act.findViewById(android.R.id.content)).getChildAt(0);
if(top != null){
result = top.findViewWithTag(tag);
}
}
return result;
}
private View findView(int... path){
View result = findView(path[0]);
for(int i = 1; i < path.length && result != null; i++){
result = result.findViewById(path[i]);
}
return result;
}
/**
* Return a new AQuery object that uses the found view as a root.
*
* @param id the id
* @return new AQuery object
*/
public T find(int id){
View view = findView(id);
return create(view);
}
/**
* Return a new AQuery object that uses the found parent as a root.
* If no parent with matching id is found, operating view will be null and isExist() will return false.
*
*
* @param id the parent id
* @return new AQuery object
*/
public T parent(int id){
View node = view;
View result = null;
while(node != null){
if(node.getId() == id){
result = node;
break;
}
ViewParent p = node.getParent();
if(!(p instanceof View)) break;
node = (View) p;
}
return create(result);
}
/**
* Recycle this AQuery object.
*
* The method is designed to avoid recreating an AQuery object repeatedly, such as when in list adapter getView method.
*
* @param root The new root of the recycled AQuery.
* @return self
*/
public T recycle(View root){
this.root = root;
this.view = root;
reset();
this.context = null;
return self();
}
@SuppressWarnings("unchecked")
private T self(){
return (T) this;
}
/**
* Return the current operating view.
*
* @return the view
*/
public View getView(){
return view;
}
/**
* Points the current operating view to the first view found with the id under the root.
*
* @param id the id
* @return self
*/
public T id(int id){
return id(findView(id));
}
/**
* Points the current operating view to the specified view.
*
* @param view
* @return self
*/
public T id(View view){
this.view = view;
reset();
return self();
}
/**
* Points the current operating view to the specified view with tag.
*
* @param tag
* @return self
*/
public T id(String tag){
return id(findView(tag));
}
/**
* Find the first view with first id, under that view, find again with 2nd id, etc...
*
* @param path The id path.
* @return self
*/
public T id(int... path){
return id(findView(path));
}
/**
* Find the progress bar and show the progress for the next ajax/image request.
* Once ajax or image is called, current progress view is consumed.
* Subsequent ajax/image calls won't show progress view unless progress is called again.
*
* If a file or network requests is required, the progress bar is set to be "VISIBLE".
* Once the requests completes, progress bar is set to "GONE".
*
* @param id the id of the progress bar to be shown
* @return self
*/
public T progress(int id){
progress = findView(id);
return self();
}
/**
* Set the progress bar and show the progress for the next ajax/image request.
*
* Once ajax or image is called, current progress view is consumed.
* Subsequent ajax/image calls won't show progress view unless progress is called again.
*
* If a file or network requests is required, the progress bar is set to be "VISIBLE".
* Once the requests completes, progress bar is set to "GONE".
*
* @param view the progress bar to be shown
* @return self
*/
public T progress(Object view){
progress = view;
return self();
}
/**
* Set the progress dialog and show the progress for the next ajax/image request.
*
* Progress dialogs cannot be reused. They are dismissed on ajax callback.
*
* If a file or network requests is required, the dialog is shown.
* Once the requests completes, dialog is dismissed.
*
* It's the caller responsibility to dismiss the dialog when the activity terminates before the ajax is completed.
* Calling aq.dismiss() in activity's onDestroy() will ensure all dialogs are properly dismissed.
*
* @param dialog
* @return self
*/
public T progress(Dialog dialog){
progress = dialog;
return self();
}
/**
* Apply the account handler for authentication for the next ajax request.
*
* @param handle the account handler
* @return self
*/
public T auth(AccountHandle handle){
ah = handle;
return self();
}
/**
* Apply the transformer to convert raw data to desired object type for the next ajax request.
*
* @param transformer transformer
* @return self
*/
public T transformer(Transformer transformer){
trans = transformer;
return self();
}
public T policy(int cachePolicy){
policy = cachePolicy;
return self();
}
/**
* Apply the proxy info to next ajax request.
*
* @param transformer transformer
* @return self
*/
public T proxy(String host, int port){
proxy = new HttpHost(host, port);
return self();
}
/**
* Set the rating of a RatingBar.
*
* @param rating the rating
* @return self
*/
public T rating(float rating){
if(view instanceof RatingBar){
RatingBar rb = (RatingBar) view;
rb.setRating(rating);
}
return self();
}
/**
* Set the text of a TextView.
*
* @param resid the resid
* @return self
*/
public T text(int resid){
if(view instanceof TextView){
TextView tv = (TextView) view;
tv.setText(resid);
}
return self();
}
/**
* Set the text of a TextView with localized formatted string
* from application's package's default string table
*
* @param resid the resid
* @return self
* @see Context#getString(int, Object...)
*/
public T text(int resid, Object... formatArgs) {
Context context = getContext();
if (context != null) {
CharSequence text = context.getString(resid, formatArgs);
text(text);
}
return self();
}
/**
* Set the text of a TextView.
*
* @param text the text
* @return self
*/
public T text(CharSequence text){
if(view instanceof TextView){
TextView tv = (TextView) view;
tv.setText(text);
}
return self();
}
/**
* Set the text of a TextView. Hide the view (gone) if text is empty.
*
* @param text the text
* @param goneIfEmpty hide if text is null or length is 0
* @return self
*/
public T text(CharSequence text, boolean goneIfEmpty){
if(goneIfEmpty && (text == null || text.length() == 0)){
return gone();
}else{
return text(text);
}
}
/**
* Set the text of a TextView.
*
* @param text the text
* @return self
*/
public T text(Spanned text){
if(view instanceof TextView){
TextView tv = (TextView) view;
tv.setText(text);
}
return self();
}
/**
* Set the text color of a TextView. Note that it's not a color resource id.
*
* @param color color code in ARGB
* @return self
*/
public T textColor(int color){
if(view instanceof TextView){
TextView tv = (TextView) view;
tv.setTextColor(color);
}
return self();
}
/**
* Set the text color of a TextView from a color resource id.
*
* @param color color resource id
* @return self
*/
public T textColorId(int id){
return textColor(getContext().getResources().getColor(id));
}
/**
* Set the text typeface of a TextView.
*
* @param typeface typeface
* @return self
*/
public T typeface(Typeface tf){
if(view instanceof TextView){
TextView tv = (TextView) view;
tv.setTypeface(tf);
}
return self();
}
/**
* Set the text size (in sp) of a TextView.
*
* @param size size
* @return self
*/
public T textSize(float size){
if(view instanceof TextView){
TextView tv = (TextView) view;
tv.setTextSize(size);
}
return self();
}
/**
* Set the adapter of an AdapterView.
*
* @param adapter adapter
* @return self
*/
@SuppressWarnings({"unchecked", "rawtypes" })
public T adapter(Adapter adapter){
if(view instanceof AdapterView){
AdapterView av = (AdapterView) view;
av.setAdapter(adapter);
}
return self();
}
/**
* Set the adapter of an ExpandableListView.
*
* @param adapter adapter
* @return self
*/
public T adapter(ExpandableListAdapter adapter){
if(view instanceof ExpandableListView){
ExpandableListView av = (ExpandableListView) view;
av.setAdapter(adapter);
}
return self();
}
/**
* Set the image of an ImageView.
*
* @param resid the resource id
* @return self
*
* @see testImage1
*/
public T image(int resid){
if(view instanceof ImageView){
ImageView iv = (ImageView) view;
iv.setTag(AQuery.TAG_URL, null);
if(resid == 0){
iv.setImageBitmap(null);
}else{
iv.setImageResource(resid);
}
}
return self();
}
/**
* Set the image of an ImageView.
*
* @param drawable the drawable
* @return self
*
* @see testImage2
*
*/
public T image(Drawable drawable){
if(view instanceof ImageView){
ImageView iv = (ImageView) view;
iv.setTag(AQuery.TAG_URL, null);
iv.setImageDrawable(drawable);
}
return self();
}
/**
* Set the image of an ImageView.
*
* @param bm Bitmap
* @return self
*
* @see testImage3
*/
public T image(Bitmap bm){
if(view instanceof ImageView){
ImageView iv = (ImageView) view;
iv.setTag(AQuery.TAG_URL, null);
iv.setImageBitmap(bm);
}
return self();
}
/**
* Set the image of an ImageView.
*
* @param url Image url.
* @return self
*
* @see testImage4
*/
public T image(String url){
return image(url, true, true, 0, 0);
}
/**
* Set the image of an ImageView.
*
* @param url The image url.
* @param memCache Use memory cache.
* @param fileCache Use file cache.
* @return self
*
* @see testImage5
*/
public T image(String url, boolean memCache, boolean fileCache){
return image(url, memCache, fileCache, 0, 0);
}
/**
* Set the image of an ImageView.
*
* @param url The image url.
* @param memCache Use memory cache.
* @param fileCache Use file cache.
* @param targetWidth Target width for down sampling when reading large images. 0 = no downsampling.
* @param fallbackId Fallback image if result is network fetch and image convert failed. 0 = no fallback.
* @return self
*
* @see testImage6
*/
public T image(String url, boolean memCache, boolean fileCache, int targetWidth, int fallbackId){
return image(url, memCache, fileCache, targetWidth, fallbackId, null, 0);
}
/**
* Set the image of an ImageView.
*
* @param url The image url.
* @param memCache Use memory cache.
* @param fileCache Use file cache.
* @param targetWidth Target width for down sampling when reading large images. 0 = no downsampling.
* @param fallbackId Fallback image if result is network fetch and image convert failed. 0 = no fallback.
* @param preset Default image to show before real image loaded. null = no preset.
* @param animId Apply this animation when image is loaded. 0 = no animation. Also accept AQuery.FADE_IN as a predefined 500ms fade in animation.
* @return self
*
* @see testImage7
*
*/
public T image(String url, boolean memCache, boolean fileCache, int targetWidth, int fallbackId, Bitmap preset, int animId){
return image(url, memCache, fileCache, targetWidth, fallbackId, preset, animId, 0);
}
/**
* Set the image of an ImageView.
*
* @param url The image url.
* @param memCache Use memory cache.
* @param fileCache Use file cache.
* @param targetWidth Target width for down sampling when reading large images. 0 = no downsampling.
* @param fallbackId Fallback image if result is network fetch and image convert failed. 0 = no fallback.
* @param preset Default image to show before real image loaded. null = no preset.
* @param animId Apply this animation when image is loaded. 0 = no animation. Also accept AQuery.FADE_IN as a predefined 500ms fade in animation.
* @param ratio The desired aspect ratio of the imageview. Ratio is height / width, or AQuery.RATIO_PRESERVE to preserve the original aspect ratio of the image.
* @return self
*
* @see testImage12
*
*/
public T image(String url, boolean memCache, boolean fileCache, int targetWidth, int fallbackId, Bitmap preset, int animId, float ratio){
return image(url, memCache, fileCache, targetWidth, fallbackId, preset, animId, ratio, 0, null);
}
protected T image(String url, boolean memCache, boolean fileCache, int targetWidth, int fallbackId, Bitmap preset, int animId, float ratio, int round, String networkUrl){
if(view instanceof ImageView){
BitmapAjaxCallback.async(act, getContext(), (ImageView) view, url, memCache, fileCache, targetWidth, fallbackId, preset, animId, ratio, AQuery.ANCHOR_DYNAMIC, progress, ah, policy, round, proxy, networkUrl);
reset();
}
return self();
}
public T image(String url, ImageOptions options){
return image(url, options, null);
}
protected T image(String url, ImageOptions options, String networkUrl){
if(view instanceof ImageView){
BitmapAjaxCallback.async(act, getContext(), (ImageView) view, url, progress, ah, options, proxy, networkUrl);
reset();
}
return self();
}
/**
* Set the image of an ImageView with a custom callback.
*
* @param callback Callback handler for setting the image.
* @return self
*
* @see testImage8
*/
public T image(BitmapAjaxCallback callback){
if(view instanceof ImageView){
callback.imageView((ImageView) view);
invoke(callback);
}
return self();
}
/**
* Set the image of an ImageView with a custom callback.
*
* @param url The image url.
* @param memCache Use memory cache.
* @param fileCache Use file cache.
* @param targetWidth Target width for down sampling when reading large images.
* @param resId Fallback image if result is network fetch and image convert failed.
* @param callback Callback handler for setting the image.
* @return self
*
* @see testImage9
*/
public T image(String url, boolean memCache, boolean fileCache, int targetWidth, int resId, BitmapAjaxCallback callback){
callback.targetWidth(targetWidth).fallback(resId)
.url(url).memCache(memCache).fileCache(fileCache);
return image(callback);
}
/**
* Set the image of an ImageView from a file.
*
* @param file The image file.
* @param targetWidth Target width for down sampling when reading large images.
* @return self
*
* @see testImage10
*/
public T image(File file, int targetWidth){
return image(file, true, targetWidth, null);
}
/**
* Set the image of an ImageView from a file with a custom callback.
*
* @param file The image file.
* @param memCache Use memory cache.
* @param targetWidth Target width for down sampling when reading large images.
* @param callback Callback handler for setting the image.
* @return self
*
* @see testImage11
*/
public T image(File file, boolean memCache, int targetWidth, BitmapAjaxCallback callback){
if(callback == null) callback = new BitmapAjaxCallback();
callback.file(file);
String url = null;
if(file != null) url = file.getAbsolutePath();
return image(url, memCache, true, targetWidth, 0, callback);
}
/**
* Set the image of an ImageView from a file with aspect ratio.
*
* @param bm The image bitmap.
* @param ratio The desired aspect ratio of the imageview. Ratio is height / width, or AQuery.RATIO_PRESERVE to preserve the original aspect ratio of the image.
*
* @return self
*
*/
public T image(Bitmap bm, float ratio){
BitmapAjaxCallback cb = new BitmapAjaxCallback();
cb.ratio(ratio).bitmap(bm);
return image(cb);
}
/**
* Set tag object of a view.
*
* @param tag
* @return self
*/
public T tag(Object tag){
if(view != null){
view.setTag(tag);
}
return self();
}
/**
* Set tag object of a view.
*
* @param key
* @param tag
* @return self
*/
public T tag(int key, Object tag){
if(view != null){
view.setTag(key, tag);
}
return self();
}
/**
* Set a view to be transparent.
*
* @param transparent the transparent
* @return self
*/
public T transparent(boolean transparent){
if(view != null){
AQUtility.transparent(view, transparent);
}
return self();
}
/**
* Enable a view.
*
* @param enabled state
* @return self
*/
public T enabled(boolean enabled){
if(view != null){
view.setEnabled(enabled);
}
return self();
}
/**
* Set checked state of a compound button.
*
* @param checked state
* @return self
*/
public T checked(boolean checked){
if(view instanceof CompoundButton){
CompoundButton cb = (CompoundButton) view;
cb.setChecked(checked);
}
return self();
}
/**
* Get checked state of a compound button.
*
* @return checked
*/
public boolean isChecked(){
boolean checked = false;
if(view instanceof CompoundButton){
CompoundButton cb = (CompoundButton) view;
checked = cb.isChecked();
}
return checked;
}
/**
* Set clickable for a view.
*
* @param clickable
* @return self
*/
public T clickable(boolean clickable){
if(view != null){