android.widget.ListView.FixedViewInfo Java Examples

public void addHeaderView(View v, Object data, boolean isSelectable) {

        FixedViewInfo info = new ListView(getContext()).new FixedViewInfo();
        info.view = v;
        info.data = data;
        info.isSelectable = isSelectable;
        mHeaderViewInfos.add(info);

        setupView(v);
        
        int topPadding = this.getPaddingTop();
        if(initialTopPadding == 0){
        	initialTopPadding = topPadding;
        }
        this.setPadding(this.getPaddingLeft(), topPadding+v.getMeasuredHeight(), this.getPaddingRight(), this.getPaddingBottom());
        
        // in the case of re-adding a header view, or adding one later on,
        // we need to notify the observer
        this.notifiyChanged();
    }
 

/**
 * Remove all headers
 *
 * @return true if headers were removed, false otherwise
 */
public boolean clearHeaders(boolean dispatchDetach) {
    boolean removed = false;
    if (!headers.isEmpty()) {
        FixedViewInfo[] infos = headers.toArray(new FixedViewInfo[headers
                .size()]);
        for (FixedViewInfo info : infos) {
            removed = super.removeHeader(info.view) || removed;
            if (dispatchDetach && ViewUtils.isAttachedToWindow(info.view)) {
                ViewUtils.callDispatchDetachedFromWindow(info.view);
            }
        }
    }
    if (removed)
        wrapped.notifyDataSetChanged();
    return removed;
}
 

/**
 * Remove all footers
 *
 * @return true if headers were removed, false otherwise
 */
public boolean clearFooters(boolean dispatchDetach) {
    boolean removed = false;
    if (!footers.isEmpty()) {
        FixedViewInfo[] infos = footers.toArray(new FixedViewInfo[footers
                .size()]);
        for (FixedViewInfo info : infos) {
            removed = super.removeFooter(info.view) || removed;
            if (dispatchDetach && ViewUtils.isAttachedToWindow(info.view)) {
                ViewUtils.callDispatchDetachedFromWindow(info.view);
            }
        }
    }
    if (removed)
        wrapped.notifyDataSetChanged();
    return removed;
}
 

public void addHeaderView(View v, Object data, boolean isSelectable) {

        FixedViewInfo info = new ListView(getContext()).new FixedViewInfo();
        info.view = v;
        info.data = data;
        info.isSelectable = isSelectable;
        mHeaderViewInfos.add(info);

        setupView(v);
        
        int topPadding = this.getPaddingTop();
        if(initialTopPadding == 0){
        	initialTopPadding = topPadding;
        }
        this.setPadding(this.getPaddingLeft(), topPadding+v.getMeasuredHeight(), this.getPaddingRight(), this.getPaddingBottom());
        
        // in the case of re-adding a header view, or adding one later on,
        // we need to notify the observer
        this.notifiyChanged();
    }
 

/**
 * Remove all headers
 *
 * @return true if headers were removed, false otherwise
 */
public boolean clearHeaders(boolean dispatchDetach) {
    boolean removed = false;
    if (!headers.isEmpty()) {
        FixedViewInfo[] infos = headers.toArray(new FixedViewInfo[headers
                .size()]);
        for (FixedViewInfo info : infos) {
            removed = super.removeHeader(info.view) || removed;
            if (dispatchDetach && ViewUtils.isAttachedToWindow(info.view)) {
                ViewUtils.callDispatchDetachedFromWindow(info.view);
            }
        }
    }
    if (removed)
        wrapped.notifyDataSetChanged();
    return removed;
}
 

/**
 * Remove all footers
 *
 * @return true if headers were removed, false otherwise
 */
public boolean clearFooters(boolean dispatchDetach) {
    boolean removed = false;
    if (!footers.isEmpty()) {
        FixedViewInfo[] infos = footers.toArray(new FixedViewInfo[footers
                .size()]);
        for (FixedViewInfo info : infos) {
            removed = super.removeFooter(info.view) || removed;
            if (dispatchDetach && ViewUtils.isAttachedToWindow(info.view)) {
                ViewUtils.callDispatchDetachedFromWindow(info.view);
            }
        }
    }
    if (removed)
        wrapped.notifyDataSetChanged();
    return removed;
}
 

private boolean removeFixedViewInfo(View v, ArrayList<FixedViewInfo> where) {
    int len = where.size();
    int count = 0;
    for (int i = 0; i < len; ++i) {
        FixedViewInfo info = where.get(i);
        if (info.view == v) {
        	this.setPadding(this.getPaddingLeft(), getPaddingTop()-v.getMeasuredHeight(), this.getPaddingRight(), this.getPaddingBottom());
            where.remove(i);
            count++;
            break;
        }
    }
    
    return count > 0;
}
 

private int getTotalHeaderHeight(){
  	int totalHeaderHeight = 0;
for(FixedViewInfo h: mHeaderViewInfos){
	totalHeaderHeight += h.view.getMeasuredHeight();
}
return totalHeaderHeight;
  }
 

private void drawHeaders(Canvas canvas) {
	int startPos = -mScrollOfsset; // translate view all way up first...
	int saveCount = canvas.save();
	for(FixedViewInfo header: mHeaderViewInfos){
		View view = header.view;
		canvas.translate(0, startPos);
		startPos = view.getMeasuredHeight();
		view.draw(canvas);
	}
	canvas.restoreToCount(saveCount);
}
 

private boolean removeFixedViewInfo(View v, ArrayList<FixedViewInfo> where) {
    int len = where.size();
    int count = 0;
    for (int i = 0; i < len; ++i) {
        FixedViewInfo info = where.get(i);
        if (info.view == v) {
        	this.setPadding(this.getPaddingLeft(), getPaddingTop()-v.getMeasuredHeight(), this.getPaddingRight(), this.getPaddingBottom());
            where.remove(i);
            count++;
            break;
        }
    }
    
    return count > 0;
}
 

private int getTotalHeaderHeight(){
  	int totalHeaderHeight = 0;
for(FixedViewInfo h: mHeaderViewInfos){
	totalHeaderHeight += h.view.getMeasuredHeight();
}
return totalHeaderHeight;
  }
 

private void drawHeaders(Canvas canvas) {
	int startPos = -mScrollOfsset; // translate view all way up first...
	int saveCount = canvas.save();
	for(FixedViewInfo header: mHeaderViewInfos){
		View view = header.view;
		canvas.translate(0, startPos);
		startPos = view.getMeasuredHeight();
		view.draw(canvas);
	}
	canvas.restoreToCount(saveCount);
}
 

/**
 * Add footer
 *
 * @param view
 * @param data
 * @param isSelectable
 * @return this adapter
 */
public HeaderFooterListAdapter<E> addFooter(View view, Object data,
                                            boolean isSelectable) {
    FixedViewInfo info = list.new FixedViewInfo();
    info.view = view;
    info.data = data;
    info.isSelectable = isSelectable;

    footers.add(info);
    wrapped.notifyDataSetChanged();
    return this;
}
 

/**
 * Add header
 *
 * @param view
 * @param data
 * @param isSelectable
 * @return this adapter
 */
public HeaderFooterListAdapter<E> addHeader(View view, Object data,
                                            boolean isSelectable) {
    FixedViewInfo info = list.new FixedViewInfo();
    info.view = view;
    info.data = data;
    info.isSelectable = isSelectable;

    headers.add(info);
    wrapped.notifyDataSetChanged();
    return this;
}
 

private HeaderFooterListAdapter(ArrayList<FixedViewInfo> headerViewInfos,
                                ArrayList<FixedViewInfo> footerViewInfos, ListView view, E adapter) {
    super(headerViewInfos, footerViewInfos, adapter);

    headers = headerViewInfos;
    footers = footerViewInfos;
    list = view;
    wrapped = adapter;
}
 

/**
 * Add footer
 *
 * @param view
 * @param data
 * @param isSelectable
 * @return this adapter
 */
public HeaderFooterListAdapter<E> addFooter(View view, Object data,
                                            boolean isSelectable) {
    FixedViewInfo info = list.new FixedViewInfo();
    info.view = view;
    info.data = data;
    info.isSelectable = isSelectable;

    footers.add(info);
    wrapped.notifyDataSetChanged();
    return this;
}
 

/**
 * Add header
 *
 * @param view
 * @param data
 * @param isSelectable
 * @return this adapter
 */
public HeaderFooterListAdapter<E> addHeader(View view, Object data,
                                            boolean isSelectable) {
    FixedViewInfo info = list.new FixedViewInfo();
    info.view = view;
    info.data = data;
    info.isSelectable = isSelectable;

    headers.add(info);
    wrapped.notifyDataSetChanged();
    return this;
}
 

private HeaderFooterListAdapter(ArrayList<FixedViewInfo> headerViewInfos,
                                ArrayList<FixedViewInfo> footerViewInfos, ListView view, E adapter) {
    super(headerViewInfos, footerViewInfos, adapter);

    headers = headerViewInfos;
    footers = footerViewInfos;
    list = view;
    wrapped = adapter;
}
 

/**
 * Create header footer adapter
 *
 * @param view
 * @param adapter
 */
public HeaderFooterListAdapter(ListView view, E adapter) {
    this(new ArrayList<FixedViewInfo>(), new ArrayList<FixedViewInfo>(),
            view, adapter);
}
 

/**
 * Create header footer adapter
 *
 * @param view
 * @param adapter
 */
public HeaderFooterListAdapter(ListView view, E adapter) {
    this(new ArrayList<FixedViewInfo>(), new ArrayList<FixedViewInfo>(),
            view, adapter);
}