Examples with NothingSelectedSpinnerAdapter com.instructure.teacher.adapters.NothingSelectedSpinnerAdapter used on opensource projects

Example 1 with NothingSelectedSpinnerAdapter

use of com.instructure.teacher.adapters.NothingSelectedSpinnerAdapter in project instructure-android by instructure.

the class AddMessageFragment method addCoursesAndGroups.

@Override
public void addCoursesAndGroups(ArrayList<Course> courses, ArrayList<Group> groups) {
    final CanvasContextSpinnerAdapter adapter = CanvasContextSpinnerAdapter.newAdapterInstance(getContext(), courses, groups);
    mCourseSpinner.setAdapter(new NothingSelectedSpinnerAdapter(adapter, R.layout.spinner_item_nothing_selected, getContext()));
    if (mSelectedCourse != null) {
        // prevent listener from firing the when selection is placed
        mCourseSpinner.setOnItemSelectedListener(null);
        // + 1 is for the nothingSelected position
        mCourseSpinner.setSelection(adapter.getPosition(mSelectedCourse) + 1, false);
        courseWasSelected();
    }
    mCourseSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

        @Override
        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
            if (position != 0) {
                // position zero is nothingSelected prompt
                // -1 to account for nothingSelected item
                CanvasContext canvasContext = adapter.getItem(position - 1);
                if (mSelectedCourse == null || mSelectedCourse.getId() != canvasContext.getId()) {
                    mChipsTextView.removeAllRecipientEntry();
                    mSelectedCourse = canvasContext;
                    courseWasSelected();
                }
            }
        }

        @Override
        public void onNothingSelected(AdapterView<?> parent) {
        }
    });
}