Java tutorial
/* This file is part of the HHS Moodle WebApp. HHS Moodle WebApp is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. HHS Moodle WebApp is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the Diaspora Native WebApp. If not, see <http://www.gnu.org/licenses/>. */ package de.baumann.hhsmoodle.data_count; import android.animation.Animator; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.database.Cursor; import android.os.Bundle; import android.os.Handler; import android.preference.PreferenceManager; import android.support.annotation.NonNull; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.Snackbar; import android.support.v4.app.Fragment; import android.support.v4.view.ViewPager; import android.text.Editable; import android.text.TextWatcher; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.FilterQueryProvider; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.RelativeLayout; import android.widget.SimpleCursorAdapter; import android.widget.TextView; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Locale; import de.baumann.hhsmoodle.R; import de.baumann.hhsmoodle.activities.Activity_count; import de.baumann.hhsmoodle.data_notes.Notes_helper; import de.baumann.hhsmoodle.helper.helper_main; import de.baumann.hhsmoodle.popup.Popup_courseList; public class Count_Fragment extends Fragment { //calling variables private Count_DbAdapter db; private SimpleCursorAdapter adapter; private ListView lv = null; private EditText filter; private SharedPreferences sharedPref; private ImageView imgHeader; private RelativeLayout filter_layout; private FloatingActionButton fab; private LinearLayout fabLayout1; private LinearLayout fabLayout2; private boolean isFABOpen = false; private ViewPager viewPager; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_screen_notes, container, false); PreferenceManager.setDefaultValues(getActivity(), R.xml.user_settings, false); sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity()); imgHeader = (ImageView) rootView.findViewById(R.id.imageView_header); helper_main.setImageHeader(getActivity(), imgHeader); filter_layout = (RelativeLayout) rootView.findViewById(R.id.filter_layout); filter_layout.setVisibility(View.GONE); lv = (ListView) rootView.findViewById(R.id.listNotes); filter = (EditText) rootView.findViewById(R.id.myFilter); viewPager = (ViewPager) getActivity().findViewById(R.id.viewpager); ImageButton ib_hideKeyboard = (ImageButton) rootView.findViewById(R.id.ib_hideKeyboard); ib_hideKeyboard.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (filter.getText().length() > 0) { filter.setText(""); } else { setTitle(); helper_main.hideFilter(getActivity(), filter_layout, imgHeader); setCountList(); } } }); fabLayout1 = (LinearLayout) rootView.findViewById(R.id.fabLayout1); fabLayout2 = (LinearLayout) rootView.findViewById(R.id.fabLayout2); fab = (FloatingActionButton) rootView.findViewById(R.id.fab); FloatingActionButton fab1 = (FloatingActionButton) rootView.findViewById(R.id.fab1); FloatingActionButton fab2 = (FloatingActionButton) rootView.findViewById(R.id.fab2); fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (!isFABOpen) { showFABMenu(); } else { closeFABMenu(); } } }); fab1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { closeFABMenu(); final SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity()); android.app.AlertDialog.Builder builder = new android.app.AlertDialog.Builder(getActivity()); View dialogView = View.inflate(getActivity(), R.layout.dialog_edit_title, null); final EditText edit_title = (EditText) dialogView.findViewById(R.id.pass_title); edit_title.setHint(R.string.bookmark_edit_title); builder.setTitle(R.string.count_title); builder.setView(dialogView); builder.setPositiveButton(R.string.toast_yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }); builder.setNegativeButton(R.string.toast_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.cancel(); } }); final android.app.AlertDialog dialog2 = builder.create(); dialog2.show(); dialog2.getButton(android.app.AlertDialog.BUTTON_POSITIVE) .setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //Do stuff, possibly set wantToCloseDialog to true then... String inputTitle = edit_title.getText().toString().trim(); Count_DbAdapter db = new Count_DbAdapter(getActivity()); db.open(); if (db.isExist(inputTitle)) { Snackbar.make(edit_title, getActivity().getString(R.string.toast_newTitle), Snackbar.LENGTH_LONG).show(); } else { dialog2.dismiss(); db.insert(inputTitle, sharedPref.getString("count_content", ""), "3", "", helper_main.createDate()); sharedPref.edit().putString("count_content", "").apply(); setCountList(); } } }); helper_main.showKeyboard(getActivity(), edit_title); } }); fab2.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { closeFABMenu(); Intent mainIntent = new Intent(getActivity(), Popup_courseList.class); mainIntent.setAction("courseList_count"); startActivity(mainIntent); } }); //calling Notes_DbAdapter db = new Count_DbAdapter(getActivity()); db.open(); setCountList(); setHasOptionsMenu(true); return rootView; } private void showFABMenu() { isFABOpen = true; fabLayout1.setVisibility(View.VISIBLE); fabLayout2.setVisibility(View.VISIBLE); fab.animate().rotationBy(180); fabLayout1.animate().translationY(-getResources().getDimension(R.dimen.standard_55)); fabLayout2.animate().translationY(-getResources().getDimension(R.dimen.standard_100)); } private void closeFABMenu() { isFABOpen = false; fab.animate().rotationBy(-180); fabLayout1.animate().translationY(0); fabLayout2.animate().translationY(0).setListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animator) { } @Override public void onAnimationEnd(Animator animator) { if (!isFABOpen) { fabLayout1.setVisibility(View.GONE); fabLayout2.setVisibility(View.GONE); } } @Override public void onAnimationCancel(Animator animator) { } @Override public void onAnimationRepeat(Animator animator) { } }); } @Override public void onResume() { super.onResume(); if (!sharedPref.getString("search_byCourse", "").isEmpty() && viewPager.getCurrentItem() == 4) { String search = sharedPref.getString("search_byCourse", ""); helper_main.changeFilter("filter_countBY", "count_title"); setCountList(); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, search, getString(R.string.action_filter_course), false); sharedPref.edit().putString("search_byCourse", "").apply(); } else { if (filter_layout.getVisibility() == View.GONE) { setCountList(); } } } public void doBack() { //BackPressed in activity will call this; if (isFABOpen) { closeFABMenu(); } else if (filter_layout.getVisibility() == View.VISIBLE) { helper_main.hideFilter(getActivity(), filter_layout, imgHeader); setCountList(); } else { helper_main.onClose(getActivity()); } } public void setCountList() { if (isFABOpen) { closeFABMenu(); } //display data final int layoutstyle = R.layout.list_item_notes; int[] xml_id = new int[] { R.id.textView_title_notes, R.id.textView_des_notes, R.id.textView_create_notes }; String[] column = new String[] { "count_title", "count_content", "count_creation" }; final Cursor row = db.fetchAllData(getActivity()); adapter = new SimpleCursorAdapter(getActivity(), layoutstyle, row, column, xml_id, 0) { @Override public View getView(final int position, View convertView, ViewGroup parent) { Cursor row2 = (Cursor) lv.getItemAtPosition(position); final String _id = row2.getString(row2.getColumnIndexOrThrow("_id")); final String count_title = row2.getString(row2.getColumnIndexOrThrow("count_title")); final String count_content = row2.getString(row2.getColumnIndexOrThrow("count_content")); final String count_icon = row2.getString(row2.getColumnIndexOrThrow("count_icon")); final String count_attachment = row2.getString(row2.getColumnIndexOrThrow("count_attachment")); final String count_creation = row2.getString(row2.getColumnIndexOrThrow("count_creation")); View v = super.getView(position, convertView, parent); final TextView tv = (TextView) v.findViewById(R.id.text); if (count_attachment.isEmpty()) { tv.setText(count_content); new Handler().postDelayed(new Runnable() { public void run() { int n = tv.getLineCount(); StringBuilder sb = new StringBuilder(n); for (int i = 0; i < n; ++i) { sb.append("0" + '\n'); } String result = sb.toString(); db.update(Integer.parseInt(_id), count_title, count_content, count_icon, result, count_creation); setCountList(); } }, 500); } ImageView iv_icon = (ImageView) v.findViewById(R.id.icon_notes); helper_main.switchIcon(getActivity(), count_icon, "count_icon", iv_icon); iv_icon.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View arg0) { final helper_main.Item[] items = { new helper_main.Item(getString(R.string.note_priority_0), R.drawable.circle_green), new helper_main.Item(getString(R.string.note_priority_1), R.drawable.circle_yellow), new helper_main.Item(getString(R.string.note_priority_2), R.drawable.circle_red), }; ListAdapter adapter = new ArrayAdapter<helper_main.Item>(getActivity(), android.R.layout.select_dialog_item, android.R.id.text1, items) { @NonNull public View getView(int position, View convertView, @NonNull ViewGroup parent) { //Use super class to create the View View v = super.getView(position, convertView, parent); TextView tv = (TextView) v.findViewById(android.R.id.text1); tv.setTextSize(18); tv.setCompoundDrawablesWithIntrinsicBounds(items[position].icon, 0, 0, 0); //Add margin between image and text (support various screen densities) int dp5 = (int) (24 * getResources().getDisplayMetrics().density + 0.5f); tv.setCompoundDrawablePadding(dp5); return v; } }; new AlertDialog.Builder(getActivity()) .setPositiveButton(R.string.toast_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.cancel(); } }).setAdapter(adapter, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int item) { if (item == 0) { db.update(Integer.parseInt(_id), count_title, count_content, "3", count_attachment, count_creation); setCountList(); } else if (item == 1) { db.update(Integer.parseInt(_id), count_title, count_content, "2", count_attachment, count_creation); setCountList(); } else if (item == 2) { db.update(Integer.parseInt(_id), count_title, count_content, "1", count_attachment, count_creation); setCountList(); } } }).show(); } }); return v; } }; //display data by filter final String note_search = sharedPref.getString("filter_countBY", "note_title"); sharedPref.edit().putString("filter_countBY", "note_title").apply(); filter.addTextChangedListener(new TextWatcher() { public void afterTextChanged(Editable s) { } public void beforeTextChanged(CharSequence s, int start, int count, int after) { } public void onTextChanged(CharSequence s, int start, int before, int count) { adapter.getFilter().filter(s.toString()); } }); adapter.setFilterQueryProvider(new FilterQueryProvider() { public Cursor runQuery(CharSequence constraint) { return db.fetchDataByFilter(constraint.toString(), note_search); } }); lv.setAdapter(adapter); //onClick function lv.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterview, View view, int position, long id) { if (isFABOpen) { closeFABMenu(); } Cursor row2 = (Cursor) lv.getItemAtPosition(position); final String _id = row2.getString(row2.getColumnIndexOrThrow("_id")); final String count_title = row2.getString(row2.getColumnIndexOrThrow("count_title")); final String count_content = row2.getString(row2.getColumnIndexOrThrow("count_content")); final String count_icon = row2.getString(row2.getColumnIndexOrThrow("count_icon")); final String count_attachment = row2.getString(row2.getColumnIndexOrThrow("count_attachment")); final String count_creation = row2.getString(row2.getColumnIndexOrThrow("count_creation")); sharedPref.edit().putString("count_title", count_title).apply(); sharedPref.edit().putString("count_content", count_content).apply(); sharedPref.edit().putString("count_seqno", _id).apply(); sharedPref.edit().putString("count_icon", count_icon).apply(); sharedPref.edit().putString("count_create", count_creation).apply(); sharedPref.edit().putString("count_attachment", count_attachment).apply(); helper_main.switchToActivity(getActivity(), Activity_count.class, false); } }); lv.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() { public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { if (isFABOpen) { closeFABMenu(); } Cursor row2 = (Cursor) lv.getItemAtPosition(position); final String _id = row2.getString(row2.getColumnIndexOrThrow("_id")); final String count_title = row2.getString(row2.getColumnIndexOrThrow("count_title")); final String count_content = row2.getString(row2.getColumnIndexOrThrow("count_content")); final String count_icon = row2.getString(row2.getColumnIndexOrThrow("count_icon")); final String count_attachment = row2.getString(row2.getColumnIndexOrThrow("count_attachment")); final String count_creation = row2.getString(row2.getColumnIndexOrThrow("count_creation")); final CharSequence[] options = { getString(R.string.number_edit_entry), getString(R.string.bookmark_remove_bookmark), getString(R.string.todo_share), getString(R.string.bookmark_createNote), getString(R.string.bookmark_createEvent) }; new AlertDialog.Builder(getActivity()) .setPositiveButton(R.string.toast_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.cancel(); } }).setItems(options, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int item) { if (options[item].equals(getString(R.string.number_edit_entry))) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); View dialogView = View.inflate(getActivity(), R.layout.dialog_edit_title, null); final EditText edit_title = (EditText) dialogView.findViewById(R.id.pass_title); edit_title.setHint(R.string.bookmark_edit_title); edit_title.setText(count_title); builder.setView(dialogView); builder.setTitle(R.string.bookmark_edit_title); builder.setPositiveButton(R.string.toast_yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { String inputTag = edit_title.getText().toString().trim(); db.update(Integer.parseInt(_id), inputTag, count_content, count_icon, count_attachment, count_creation); setCountList(); Snackbar.make(lv, R.string.bookmark_added, Snackbar.LENGTH_SHORT).show(); } }); builder.setNegativeButton(R.string.toast_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.cancel(); } }); final AlertDialog dialog2 = builder.create(); // Display the custom alert dialog on interface dialog2.show(); helper_main.showKeyboard(getActivity(), edit_title); } if (options[item].equals(getString(R.string.todo_share))) { Intent sharingIntent = new Intent(Intent.ACTION_SEND); sharingIntent.setType("text/plain"); sharingIntent.putExtra(Intent.EXTRA_SUBJECT, count_title); sharingIntent.putExtra(Intent.EXTRA_TEXT, count_content); startActivity(Intent.createChooser(sharingIntent, (getString(R.string.note_share_2)))); } if (options[item].equals(getString(R.string.bookmark_createEvent))) { helper_main.createCalendarEvent(getActivity(), count_title, count_content); } if (options[item].equals(getString(R.string.bookmark_remove_bookmark))) { Snackbar snackbar = Snackbar .make(lv, R.string.note_remove_confirmation, Snackbar.LENGTH_LONG) .setAction(R.string.toast_yes, new View.OnClickListener() { @Override public void onClick(View view) { db.delete(Integer.parseInt(_id)); setCountList(); } }); snackbar.show(); } if (options[item].equals(getString(R.string.bookmark_createNote))) { Notes_helper.newNote(getActivity(), count_title, count_content, "", "", "", ""); } } }).show(); return true; } }); } @Override public void onPrepareOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. super.onPrepareOptionsMenu(menu); menu.findItem(R.id.sort_attachment).setVisible(false); menu.findItem(R.id.sort_icon).setVisible(false); menu.findItem(R.id.filter_att).setVisible(false); menu.findItem(R.id.filter_url).setVisible(false); menu.findItem(R.id.filter_teacher).setVisible(false); menu.findItem(R.id.filter_room).setVisible(false); menu.findItem(R.id.sort_ext).setVisible(false); menu.findItem(R.id.sort_notification).setVisible(false); menu.findItem(R.id.filter_ext).setVisible(false); setTitle(); setCountList(); } @Override public boolean onOptionsItemSelected(MenuItem item) { Calendar cal = Calendar.getInstance(); DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()); String search; switch (item.getItemId()) { case R.id.action_help: return true; case R.id.filter_title: helper_main.changeFilter("filter_countBY", "count_title"); setCountList(); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, "", getString(R.string.action_filter_title), true); return true; case R.id.filter_course: Intent mainIntent = new Intent(getActivity(), Popup_courseList.class); mainIntent.setAction("search_byCourse"); startActivity(mainIntent); return true; case R.id.filter_content: helper_main.changeFilter("filter_countBY", "count_content"); setCountList(); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, "", getString(R.string.action_filter_cont), true); return true; case R.id.filter_today: helper_main.changeFilter("filter_countBY", "count_creation"); setCountList(); search = dateFormat.format(cal.getTime()); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, search, getString(R.string.action_filter_create), false); return true; case R.id.filter_yesterday: helper_main.changeFilter("filter_countBY", "count_creation"); setCountList(); cal.add(Calendar.DATE, -1); search = dateFormat.format(cal.getTime()); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, search, getString(R.string.action_filter_create), false); return true; case R.id.filter_before: helper_main.changeFilter("filter_countBY", "count_creation"); setCountList(); cal.add(Calendar.DATE, -2); search = dateFormat.format(cal.getTime()); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, search, getString(R.string.action_filter_create), false); return true; case R.id.filter_month: helper_main.changeFilter("filter_countBY", "count_creation"); setCountList(); DateFormat dateFormatMonth = new SimpleDateFormat("yyyy-MM", Locale.getDefault()); search = dateFormatMonth.format(cal.getTime()); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, search, getString(R.string.action_filter_create), false); return true; case R.id.filter_own: helper_main.changeFilter("filter_countBY", "count_creation"); setCountList(); helper_main.showFilter(getActivity(), filter_layout, imgHeader, filter, "", getString(R.string.action_filter_create), true); return true; case R.id.sort_title: sharedPref.edit().putString("sortDBC", "title").apply(); setTitle(); setCountList(); return true; case R.id.sort_pri: sharedPref.edit().putString("sortDBC", "icon").apply(); setTitle(); setCountList(); return true; case R.id.sort_creation: sharedPref.edit().putString("sortDBC", "create").apply(); setTitle(); setCountList(); return true; } return super.onOptionsItemSelected(item); } public void setTitle() { if (sharedPref.getString("sortDBC", "title").equals("title")) { getActivity().setTitle(getString(R.string.count_title) + " | " + getString(R.string.sort_title)); } else if (sharedPref.getString("sortDBC", "title").equals("icon")) { getActivity().setTitle(getString(R.string.count_title) + " | " + getString(R.string.sort_pri)); } else { getActivity().setTitle(getString(R.string.count_title) + " | " + getString(R.string.sort_date)); } } }