Android Open Source - hubroid Idle List

• Back to App/github  ↑

From Project

Back to project page hubroid.

License

The source code is released under:

Copyright (c) 2011 Eddie Ringle. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistribution...

Java Source Code

/*
 * Copyright (c) 2012 Eddie Ringle// w w  w.j  a va2s  .co m
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 * and the following disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package net.idlesoft.android.apps.github.ui.widgets;

import net.idlesoft.android.apps.github.ui.adapters.BaseListAdapter;

import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.view.animation.AnimationUtils;
import android.widget.HeaderViewListAdapter;
import android.widget.LinearLayout;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;

import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;

public class IdleList<T> extends ListView {

    static final int INTERNAL_EMPTY_ID = 0x00ff0001;

    static final int INTERNAL_PROGRESS_ID = 0x00ff0002;

    static final int INTERNAL_FOOTER_ID = 0x00ff0003;

    LinearLayout mFooterView;

    TextView mStandardEmptyView;

    ProgressBar mProgress;

    CharSequence mEmptyText;

    CharSequence mTitle;

    boolean mListShown;

    public IdleList(Context context) {
        super(context);
        setupIdleList();
    }

    public IdleList(Context context, AttributeSet attrs) {
        super(context, attrs);
        setupIdleList();
    }

    public IdleList(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        setupIdleList();
    }

    private void setupIdleList() {
        Context context = getContext();

        mFooterView = new LinearLayout(context);
        mFooterView.setId(INTERNAL_FOOTER_ID);
        mFooterView.setGravity(Gravity.CENTER);
        mFooterView.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));

        mProgress = new ProgressBar(context, null, android.R.attr.progressBarStyle);
        mProgress.setId(INTERNAL_PROGRESS_ID);
        mProgress.setIndeterminate(true);
        mProgress.setVisibility(View.GONE);
        final LayoutParams progressLayoutParams = new LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
        mProgress.setLayoutParams(progressLayoutParams);

        mFooterView.addView(mProgress);

        mStandardEmptyView = new TextView(context);
        mStandardEmptyView.setId(INTERNAL_EMPTY_ID);
        mStandardEmptyView.setGravity(Gravity.CENTER);
        mStandardEmptyView.setVisibility(View.GONE);
        mStandardEmptyView.setPadding(10, 15, 10, 15);
        mStandardEmptyView.setText("That's all, folks!");

        mFooterView.addView(mStandardEmptyView, new LayoutParams(MATCH_PARENT, MATCH_PARENT));

        setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));

        setFooterDividersEnabled(true);
        addFooterView(mFooterView, null, false);

        setItemsCanFocus(true);
        setDrawSelectorOnTop(true);

    /* A tiny hack to get the ProgressBar to show */
        mListShown = true;
        setListShown(true);
        setFooterShown(true);
    }

    public BaseListAdapter<T> getListAdapter() {
        final ListAdapter adapter = getAdapter();

        if (adapter instanceof HeaderViewListAdapter) {
            return (BaseListAdapter<T>) ((HeaderViewListAdapter) adapter).getWrappedAdapter();
        } else {
            return (BaseListAdapter<T>) getAdapter();
        }
    }

    @Override
    public void setAdapter(ListAdapter adapter) {
        if (!(adapter instanceof BaseListAdapter)) {
            throw new IllegalArgumentException("IdleList must use a BaseListAdapter.");
        }

        boolean hadAdapter = getListAdapter() != null;

        super.setAdapter(adapter);

        if (!(mListShown || hadAdapter)) {
            setListShown(true, getWindowToken() != null);
        }
    }

    public CharSequence getTitle() {
        return mTitle;
    }

    public void setTitle(CharSequence title) {
        mTitle = title;
    }

    public void setEmptyText(CharSequence text) {
        if (mStandardEmptyView == null) {
            throw new IllegalStateException("Can't be used with a custom content view");
        }
        mStandardEmptyView.setText(text);
        if (mEmptyText == null) {
            setEmptyView(mStandardEmptyView);
        }
        mEmptyText = text;
    }

    public void setListShown(boolean shown) {
        setListShown(shown, true);
    }

    public void setListShownNoAnimation(boolean shown) {
        setListShown(shown, false);
    }

    private void setListShown(boolean shown, boolean animate) {
        if (mListShown == shown) {
            return;
        }
        mListShown = shown;
        final Context context = getContext();
        if (shown) {
            if (animate) {
                startAnimation(AnimationUtils.loadAnimation(context, android.R.anim.fade_in));
            } else {
                clearAnimation();
            }
            setVisibility(View.VISIBLE);
        } else {
            if (animate) {
                startAnimation(AnimationUtils.loadAnimation(context, android.R.anim.fade_out));
            } else {
                clearAnimation();
            }
            setVisibility(View.GONE);
        }
    }

    public void setFooterShown(boolean shown) {
        if (shown) {
            mFooterView.setVisibility(View.VISIBLE);
        } else {
            mFooterView.setVisibility(View.GONE);
        }
    }

    public ProgressBar getProgressBar() {
        return mProgress;
    }

    public LinearLayout getFooterView() {
        return mFooterView;
    }

    public TextView getStandardEmptyView() {
        return mStandardEmptyView;
    }
}

Java Source Code List

• Back to App/github  ↑