Examples with IItem com.mikepenz.fastadapter.IItem used on opensource projects

Example 1 with IItem

use of com.mikepenz.fastadapter.IItem in project FastAdapter by mikepenz.

the class ExpandableMultiselectDeleteSampleActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    findViewById(android.R.id.content).setSystemUiVisibility(findViewById(android.R.id.content).getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
    //as we use an icon from Android-Iconics via xml we add the IconicsLayoutInflater
    //https://github.com/mikepenz/Android-Iconics
    LayoutInflaterCompat.setFactory(getLayoutInflater(), new IconicsLayoutInflater(getDelegate()));
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sample);
    // get RecyclerView
    final RecyclerView rv = (RecyclerView) findViewById(R.id.rv);
    // Handle Toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle(R.string.sample_collapsible);
    //style our ui
    new MaterializeBuilder().withActivity(this).build();
    //create our FastAdapter
    fastItemAdapter = new FastItemAdapter<>();
    fastItemAdapter.withPositionBasedStateManagement(false).withSelectable(true).withMultiSelect(true).withSelectOnLongClick(true).withOnPreClickListener(new FastAdapter.OnClickListener<IItem>() {

        @Override
        public boolean onClick(View v, IAdapter<IItem> adapter, IItem item, int position) {
            //we handle the default onClick behavior for the actionMode. This will return null if it didn't do anything and you can handle a normal onClick
            Boolean res = mActionModeHelper.onClick(ExpandableMultiselectDeleteSampleActivity.this, item);
            // so that the click listener is not fired
            if (res != null && !res)
                return true;
            return res != null ? res : false;
        }
    }).withOnClickListener(new FastAdapter.OnClickListener<IItem>() {

        @Override
        public boolean onClick(View v, IAdapter<IItem> adapter, IItem item, int position) {
            // check if the actionMode consumes the click. This returns true, if it does, false if not
            if (!mActionModeHelper.isActive())
                Toast.makeText(ExpandableMultiselectDeleteSampleActivity.this, ((SimpleSubItem) item).name + " clicked!", Toast.LENGTH_SHORT).show();
            //                        else
            //                            mFastAdapter.notifyItemChanged(position); // im Bsp. ist das nicht nötig, k.A. warum ich das machen muss!
            mRangeSelectorHelper.onClick();
            return false;
        }
    }).withOnPreLongClickListener(new FastAdapter.OnLongClickListener<IItem>() {

        @Override
        public boolean onLongClick(View v, IAdapter<IItem> adapter, IItem item, int position) {
            boolean actionModeWasActive = mActionModeHelper.isActive();
            ActionMode actionMode = mActionModeHelper.onLongClick((AppCompatActivity) ExpandableMultiselectDeleteSampleActivity.this, position);
            mRangeSelectorHelper.onLongClick(position);
            if (actionMode != null) {
                //we want color our CAB
                ExpandableMultiselectDeleteSampleActivity.this.findViewById(R.id.action_mode_bar).setBackgroundColor(UIUtils.getThemeColorFromAttrOrRes(ExpandableMultiselectDeleteSampleActivity.this, R.attr.colorPrimary, R.color.material_drawer_primary));
                // start the drag selection
                mDragSelectTouchListener.startDragSelection(position);
            }
            //if we have no actionMode we do not consume the event
            return actionMode != null && !actionModeWasActive;
        }
    });
    // provide a custom title provider that even shows the count of sub items
    mActionModeHelper = new ActionModeHelper(fastItemAdapter, R.menu.cab, new ActionBarCallBack()).withTitleProvider(new ActionModeHelper.ActionModeTitleProvider() {

        @Override
        public String getTitle(int selected) {
            return selected + "/" + SubItemUtil.countItems(fastItemAdapter.getItemAdapter(), false);
        }
    }).withSupportSubItems(true);
    // this will take care of selecting range of items via long press on the first and afterwards on the last item
    mRangeSelectorHelper = new RangeSelectorHelper(fastItemAdapter).withSavedInstanceState(savedInstanceState).withActionModeHelper(mActionModeHelper);
    // setup the drag select listener and add it to the RecyclerView
    mDragSelectTouchListener = new DragSelectTouchListener().withSelectListener(new DragSelectTouchListener.OnDragSelectListener() {

        @Override
        public void onSelectChange(int start, int end, boolean isSelected) {
            mRangeSelectorHelper.selectRange(start, end, isSelected, true);
            // we handled the long press, so we reset the range selector
            mRangeSelectorHelper.reset();
        }
    });
    rv.addOnItemTouchListener(mDragSelectTouchListener);
    // do basic RecyclerView setup
    rv.setLayoutManager(new LinearLayoutManager(this));
    rv.setItemAnimator(new SlideDownAlphaAnimator());
    rv.setAdapter(fastItemAdapter);
    //fill with some sample data
    List<IItem> items = new ArrayList<>();
    for (int i = 0; i < 20; i++) {
        if (i % 2 == 0) {
            final HeaderSelectionItem expandableItem = new HeaderSelectionItem();
            expandableItem.withSubSelectionProvider(new HeaderSelectionItem.ISubSelectionProvider() {

                @Override
                public int getSelectedSubItems() {
                    return SubItemUtil.countSelectedSubItems(fastItemAdapter, expandableItem);
                }
            }).withName("Test " + (i + 1)).withDescription("ID: " + (i + 1)).withIdentifier(i + 1);
            //.withIsExpanded(true) don't use this in such a setup, use adapter.expand() to expand all items instead
            //add subitems so we can showcase the collapsible functionality
            List<IItem> subItems = new LinkedList<>();
            for (int ii = 1; ii <= 5; ii++) {
                final SimpleSubItem sampleItem = new SimpleSubItem();
                sampleItem.withName("-- Test " + (i + 1) + "." + ii).withDescription("ID: " + (i + 1) * 100 + ii).withIdentifier((i + 1) * 100 + ii);
                subItems.add(sampleItem);
            }
            expandableItem.withSubItems(subItems);
            items.add(expandableItem);
        } else {
            SimpleSubItem sampleItem = new SimpleSubItem();
            sampleItem.withName("Test " + (i + 1)).withDescription("ID: " + (i + 1)).withIdentifier(i + 1);
            items.add(sampleItem);
        }
    }
    fastItemAdapter.add(items);
    fastItemAdapter.expand();
    fastItemAdapter.withSelectionListener(new ISelectionListener() {

        @Override
        public void onSelectionChanged(IItem item, boolean selected) {
            if (item instanceof SimpleSubItem) {
                IItem headerItem = ((SimpleSubItem) item).getParent();
                if (headerItem != null) {
                    int pos = fastItemAdapter.getAdapterPosition(headerItem);
                    // Important: notify the header directly, not via the notifyadapterItemChanged!
                    // we just want to update the view and we are sure, nothing else has to be done
                    fastItemAdapter.notifyItemChanged(pos);
                }
            }
        }
    });
    //restore selections (this has to be done after the items were added
    fastItemAdapter.withSavedInstanceState(savedInstanceState);
    //set the back arrow in the toolbar
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(false);
    // restore action mode
    if (savedInstanceState != null)
        mActionModeHelper.checkActionMode(this);
}

Example 2 with IItem

use of com.mikepenz.fastadapter.IItem in project FastAdapter by mikepenz.

the class ExpandableSampleActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    findViewById(android.R.id.content).setSystemUiVisibility(findViewById(android.R.id.content).getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
    //as we use an icon from Android-Iconics via xml we add the IconicsLayoutInflater
    //https://github.com/mikepenz/Android-Iconics
    LayoutInflaterCompat.setFactory(getLayoutInflater(), new IconicsLayoutInflater(getDelegate()));
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sample);
    // Handle Toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle(R.string.sample_collapsible);
    //style our ui
    new MaterializeBuilder().withActivity(this).build();
    //create our FastAdapter
    fastItemAdapter = new FastItemAdapter<>();
    fastItemAdapter.withSelectable(true);
    //get our recyclerView and do basic setup
    RecyclerView rv = (RecyclerView) findViewById(R.id.rv);
    rv.setLayoutManager(new LinearLayoutManager(this));
    rv.setItemAnimator(new SlideDownAlphaAnimator());
    rv.setAdapter(fastItemAdapter);
    //fill with some sample data
    List<IItem> items = new ArrayList<>();
    for (int i = 1; i <= 100; i++) {
        if (i % 10 == 0) {
            SimpleSubExpandableItem expandableItem = new SimpleSubExpandableItem();
            expandableItem.withName("Test " + i).withIdentifier(100 + 1);
            //add subitems so we can showcase the collapsible functionality
            List<IItem> subItems = new LinkedList<>();
            for (int ii = 1; ii <= 5; ii++) {
                SimpleSubItem sampleItem = new SimpleSubItem();
                sampleItem.withName("-- Test " + ii).withIdentifier(1000 + ii);
                subItems.add(sampleItem);
            }
            expandableItem.withSubItems(subItems);
            items.add(expandableItem);
        } else {
            items.add(new SimpleSubItem().withName("Test " + i).withIdentifier(100 + i));
        }
    }
    fastItemAdapter.add(items);
    //restore selections (this has to be done after the items were added
    fastItemAdapter.withSavedInstanceState(savedInstanceState);
    //set the back arrow in the toolbar
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(false);
}

Example 3 with IItem

use of com.mikepenz.fastadapter.IItem in project FastAdapter by mikepenz.

the class IconGridActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    findViewById(android.R.id.content).setSystemUiVisibility(findViewById(android.R.id.content).getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
    //as we use an icon from Android-Iconics via xml we add the IconicsLayoutInflater
    //https://github.com/mikepenz/Android-Iconics
    LayoutInflaterCompat.setFactory(getLayoutInflater(), new IconicsLayoutInflater(getDelegate()));
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_sample);
    // Handle Toolbar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle(R.string.sample_icon_grid);
    //style our ui
    new MaterializeBuilder().withActivity(this).build();
    //create our FastAdapter which will manage everything
    fastItemAdapter = new FastItemAdapter();
    //get our recyclerView and do basic setup
    RecyclerView rv = (RecyclerView) findViewById(R.id.rv);
    //init our gridLayoutManager and configure RV
    GridLayoutManager gridLayoutManager = new GridLayoutManager(this, 3);
    gridLayoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {

        @Override
        public int getSpanSize(int position) {
            switch(fastItemAdapter.getItemViewType(position)) {
                case R.id.fastadapter_expandable_item_id:
                    return 3;
                case R.id.fastadapter_icon_item_id:
                    return 1;
                default:
                    return -1;
            }
        }
    });
    rv.setLayoutManager(gridLayoutManager);
    rv.setItemAnimator(new SlideDownAlphaAnimator());
    rv.setAdapter(fastItemAdapter);
    //order fonts by their name
    List<ITypeface> mFonts = new ArrayList<>(Iconics.getRegisteredFonts(this));
    Collections.sort(mFonts, new Comparator<ITypeface>() {

        @Override
        public int compare(final ITypeface object1, final ITypeface object2) {
            return object1.getFontName().compareTo(object2.getFontName());
        }
    });
    //add all icons of all registered Fonts to the list
    int count = 0;
    ArrayList<SimpleSubExpandableItem> items = new ArrayList<>(Iconics.getRegisteredFonts(this).size());
    for (ITypeface font : mFonts) {
        //we set the identifier from the count here, as I need a stable ID in the sample to showcase the state restore
        SimpleSubExpandableItem expandableItem = new SimpleSubExpandableItem();
        expandableItem.withName(font.getFontName()).withIdentifier(count);
        ArrayList<IItem> icons = new ArrayList<>();
        for (String icon : font.getIcons()) {
            IconItem iconItem = new IconItem();
            iconItem.withIcon(font.getIcon(icon));
            icons.add(iconItem);
        }
        expandableItem.withSubItems(icons);
        items.add(expandableItem);
        count++;
    }
    //fill with some sample data
    fastItemAdapter.add(items);
    //if first start we want to expand the item with ID 2
    if (savedInstanceState != null) {
        //restore selections (this has to be done after the items were added
        fastItemAdapter.withSavedInstanceState(savedInstanceState);
    } else {
        //expand one item to make sample look a bit more interesting
        fastItemAdapter.expand(2);
    }
    //set the back arrow in the toolbar
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(false);
}

Example 4 with IItem

use of com.mikepenz.fastadapter.IItem in project FastAdapter by mikepenz.

the class SubItemUtil method notifyItemsChanged.

/**
     * notifies items (incl. sub items if they are currently extended)
     *
     * @param adapter the adapter
     * @param identifiers set of identifiers that should be notified
     * @param restoreExpandedState true, if expanded headers should stay expanded
     */
public static <Item extends IItem & IExpandable> void notifyItemsChanged(final FastAdapter adapter, Set<Long> identifiers, boolean restoreExpandedState) {
    int i;
    IItem item;
    for (i = 0; i < adapter.getItemCount(); i++) {
        item = adapter.getItem(i);
        if (item instanceof IExpandable) {
            notifyItemsChanged(adapter, (Item) item, identifiers, true, restoreExpandedState);
        } else if (identifiers.contains(item.getIdentifier())) {
            adapter.notifyAdapterItemChanged(i);
        }
    }
}

Example 5 with IItem

use of com.mikepenz.fastadapter.IItem in project FastAdapter by mikepenz.

the class SubItemUtil method deleteSelected.

/**
     * deletes all selected items from the adapter respecting if the are sub items or not
     * subitems are removed from their parents sublists, main items are directly removed
     *
     * @param deleteEmptyHeaders if true, empty headers will be removed from the adapter
     * @return List of items that have been removed from the adapter
     */
public static List<IItem> deleteSelected(final FastAdapter fastAdapter, boolean notifyParent, boolean deleteEmptyHeaders) {
    List<IItem> deleted = new ArrayList<>();
    // we use a LinkedList, because this has performance advantages when modifying the listIterator during iteration!
    // Modifying list is O(1)
    LinkedList<IItem> selectedItems = new LinkedList<>(getSelectedItems(fastAdapter));
    //        Log.d("DELETE", "selectedItems: " + selectedItems.size());
    // we delete item per item from the adapter directly or from the parent
    // if keepEmptyHeaders is false, we add empty headers to the selected items set via the iterator, so that they are processed in the loop as well
    IItem item, parent;
    int pos, parentPos;
    boolean expanded;
    ListIterator<IItem> it = selectedItems.listIterator();
    while (it.hasNext()) {
        item = it.next();
        pos = fastAdapter.getPosition(item);
        // search for parent - if we find one, we remove the item from the parent's subitems directly
        parent = getParent(item);
        if (parent != null) {
            parentPos = fastAdapter.getPosition(parent);
            boolean success = ((IExpandable) parent).getSubItems().remove(item);
            // check if parent is expanded and notify the adapter about the removed item, if necessary (only if parent is visible)
            if (parentPos != -1 && ((IExpandable) parent).isExpanded()) {
                fastAdapter.notifyAdapterSubItemsChanged(parentPos, ((IExpandable) parent).getSubItems().size() + 1);
            }
            // if desired, notify the parent about its changed items (only if parent is visible!)
            if (parentPos != -1 && notifyParent) {
                expanded = ((IExpandable) parent).isExpanded();
                fastAdapter.notifyAdapterItemChanged(parentPos);
                // expand the item again if it was expanded before calling notifyAdapterItemChanged
                if (expanded) {
                    fastAdapter.expand(parentPos);
                }
            }
            deleted.add(item);
            if (deleteEmptyHeaders && ((IExpandable) parent).getSubItems().size() == 0) {
                it.add(parent);
                it.previous();
            }
        } else if (pos != -1) {
            // if we did not find a parent, we remove the item from the adapter
            IAdapter adapter = fastAdapter.getAdapter(pos);
            boolean success = false;
            if (adapter instanceof IItemAdapter) {
                success = ((IItemAdapter) adapter).remove(pos) != null;
            }
            boolean isHeader = item instanceof IExpandable && ((IExpandable) item).getSubItems() != null;
            //                Log.d("DELETE", "success=" + success + " | deletedId=" + item.getIdentifier() + "(" + (isHeader ? "EMPTY HEADER" : "ITEM WITHOUT HEADER") + ")");
            deleted.add(item);
        }
    }
    return deleted;
}