source: trunk/hiptop/pester/net/sabi/pester/AlarmListView.java@ 243

package net.sabi.pester;

import danger.app.Application;
import danger.app.Event;
import danger.internal.Date;
import danger.ui.ActiveListView;
import danger.ui.Button;
import danger.ui.CheckBox;
import danger.ui.DateTimeEditor;
import danger.ui.DatePicker;
import danger.ui.DialogWindow;
import danger.ui.Menu;
import danger.ui.MenuItem;
import danger.ui.NumberEditor;
import danger.ui.PopupMenu;
import danger.ui.RadioButton;
import danger.ui.Rect;
import danger.ui.TypeAheadTextField;
import danger.util.ActiveList;
import danger.util.StdActiveList;
import danger.util.DEBUG;

public class AlarmListView extends ActiveListView
    implements Resources, Commands {
    private static Pester sPester;
    private static AlarmListWindow sAlarmListWindow;
    // XXX some of these shouldn't conceptually be static, but who cares
    private static StdActiveList sAlarmList;
    private static Alarms sAlarms;

    private static DialogWindow sEditWindow;
    private TypeAheadTextField sMessageField;
    private RadioButton sInButton, sAtButton;
    private NumberEditor sPeriodField;
    private Menu sPeriodUnitsMenu;
    private PopupMenu sPeriodUnitsPopup;
    // XXX don't allow <5 second repeating alarms
    private CheckBox sRepeatCheckBox;
    private DateTimeEditor sTimeEditor, sDateEditor;
    private DatePicker sDatePicker;
    private Button sDiscardAlarmButton, sSetAlarmButton;

    private static Alarm sFocusedAlarm, sEditingAlarm;

    private static final int EVENT_CANCEL_ALARM = -1; // XXX move this?
    
    public void onDecoded() {
        sPester = (Pester)Application.getCurrentApp();
        sAlarmListWindow = (AlarmListWindow)getWindow();
        sAlarmList = new StdActiveList();
        setList(sAlarmList);

        sEditWindow = sPester.getDialog(ID_ALARM_SET_DIALOG, this);
        sEditWindow.setCancelButtonEvent(new Event(this, EVENT_CANCEL_ALARM));
        sMessageField = (TypeAheadTextField)sEditWindow.getDescendantWithID(ID_MESSAGE_FIELD);
        sEditWindow.disableBottomRightButtonOnEmptyField(sMessageField);
        sInButton = (RadioButton)sEditWindow.getDescendantWithID(ID_IN_BUTTON);
        sAtButton = (RadioButton)sEditWindow.getDescendantWithID(ID_AT_BUTTON);
        sPeriodField = (NumberEditor)sEditWindow.getDescendantWithID(ID_PERIOD_FIELD);
        sPeriodUnitsMenu = (Menu)sEditWindow.getDescendantWithID(ID_PERIOD_UNITS_MENU);
        sPeriodUnitsPopup = (PopupMenu)sEditWindow.getDescendantWithID(ID_PERIOD_UNITS_POPUP);
        sRepeatCheckBox = (CheckBox)sEditWindow.getDescendantWithID(ID_PERIOD_REPEAT_CHECKBOX);
        sTimeEditor = (DateTimeEditor)sEditWindow.getDescendantWithID(ID_TIME_EDITOR);
        sDateEditor = (DateTimeEditor)sEditWindow.getDescendantWithID(ID_DATE_EDITOR);
        sDatePicker = (DatePicker)sEditWindow.getDescendantWithID(ID_DATE_PICKER);
        sSetAlarmButton = (Button)sEditWindow.getDescendantWithID(ID_SET_ALARM_BUTTON);
        sDiscardAlarmButton = (Button)sEditWindow.getDescendantWithID(ID_DISCARD_ALARM_BUTTON);
        sInButton.setValue(1);
        sDateEditor.limitToDangerEpoch();

        super.onDecoded();
    }

    public boolean eventWidgetUp(int widget, Event e) {
        switch (widget) {
        case Event.DEVICE_BUTTON_BACK:
        case Event.DEVICE_BUTTON_CANCEL:
            sPester.returnToLauncher();
            return true;
        }
        return super.eventWidgetUp(widget, e);
    }

    protected void editDateOrPeriod(Alarm alarm) {
        boolean usesPeriod = alarm.getUsesPeriod();
        if (usesPeriod) {
            int period = alarm.getPeriod();
            for (int i = sPeriodUnitsPopup.itemCount() - 1 ; i >= 0 ; --i) {
                MenuItem item = sPeriodUnitsPopup.getItem(i);
                int unitsPerSec = item.getEvent().data;
                if (period % unitsPerSec == 0) {
                    sPeriodUnitsPopup.setValueWithItemID(sPeriodUnitsMenu.getIDOfItem(item));
                    sPeriodField.setValue(period / unitsPerSec);
                    break;
                }
            }
            sRepeatCheckBox.setValue(alarm.getRepeating() ? 1 : 0);
        }

        Date date = alarm.getDate();
        sTimeEditor.setDate(date);
        sDateEditor.setDate(date);
        sDatePicker.setDate(date);

        sInButton.setValue(usesPeriod ? 1 : 0);
        sAtButton.setValue(usesPeriod ? 0 : 1);
    }

    protected void editAlarm(Alarm alarm, boolean asNew) {
        sEditingAlarm = alarm;
        alarm.beginEditing();
        sMessageField.setText(alarm.getMessage());
        if (asNew) {
            sDiscardAlarmButton.hide();
        } else {
            sDiscardAlarmButton.show();
            editDateOrPeriod(alarm);
        }
        constrainDate();
        sEditWindow.show();
    }

    protected Date editingDate() {
        Date date = sDateEditor.getDate();
        date.setTime(sTimeEditor.getDate().getTime());
        date.setSeconds(0);
        return date;
    }

    protected void constrainDate() {
        // XXX schedule every minute (second?) if in AT mode
        // XXX could use onPeriodicPulse() perhaps
        Date now = new Date();
        sDateEditor.min(now);
        sDatePicker.min(now);
        sSetAlarmButton.setEnabled(sInButton.getValue() == 1 ||
                                   editingDate().compareTo(now) > 0);
    }

    public boolean receiveEvent(Event e) {
        switch (e.type) {
        case EVENT_NEW_ALARM:
            editAlarm(new Alarm(), true);
            return true;
        case EVENT_SET_ALARM:
            sEditingAlarm.setMessage(sMessageField.toString());
            if (sInButton.getValue() == 1) {
                int itemID = sPeriodUnitsPopup.getValueAsItemID();
                MenuItem itemWithID = sPeriodUnitsMenu.getItemWithID(itemID);
                Event event = itemWithID.getEvent();
                sEditingAlarm.setPeriod(sPeriodField.getValue() * event.data,
                                        sRepeatCheckBox.getValue() == 1);
            } else {
                sEditingAlarm.setDate(editingDate());
            }
            // schedule before adding so the tooltip is correct
            sEditingAlarm.schedule();
            if (sEditingAlarm != sFocusedAlarm) { // new alarm
                sAlarmList.addItem(sEditingAlarm);
                setFocusedItem(sEditingAlarm);
                sFocusedAlarm = sEditingAlarm;
            }
            return true;
        case EVENT_CANCEL_ALARM:
            if (sEditingAlarm == sFocusedAlarm) // existing alarm
                sEditingAlarm.resume();
            sEditingAlarm = null;
            return true;
        case EVENT_DISCARD_ALARM:
            // XXX confirmation
            sAlarmList.removeItem(sFocusedAlarm);
            return true;
        case EVENT_IN:
            sAtButton.setValue(0);
            constrainDate();
            return true;
        case EVENT_AT:
            sInButton.setValue(0);
            constrainDate();
            return true;
        case EVENT_TIME_EDITOR:
            Date date = editingDate();
            // XXX do this on exit from the field, not on change
            if (date.compareTo(new Date()) <= 0) {
                date.addDays(1);
                sDatePicker.setDate(date);
                sDateEditor.setDate(date);
            }
            constrainDate();
            return true;
        case EVENT_DATE_EDITOR:
            sDatePicker.setDate(sDateEditor.getDate());
            constrainDate();
            return true;
        case EVENT_DATE_PICKER:
            sDateEditor.setDate((Date)e.argument);
            constrainDate();
            return true;
        }
        return super.receiveEvent(e);
    }

    protected void itemActivated(Object item) {
        editAlarm(sFocusedAlarm, false);
    }
    protected void itemFocused(Object item) {
        sFocusedAlarm = (Alarm)item;
    }

    public int alarmsSet() {
        return getListSize();
    }
    public void onItemAdded(ActiveList list, Object item, int index) {
        sAlarmListWindow.updateAlarmCount();
        super.onItemAdded(list, item, index);
    }
    public void onItemRemoved(ActiveList list, Object item, int index) {
        ((Alarm)item).cancel();
        sAlarmListWindow.updateAlarmCount();
        super.onItemRemoved(list, item, index);
    }

    protected CharSequence getToolTipForItem(Object item) {
        if (item == null) // this is dumb, why do we get asked for a tooltip?
            return null;
        // XXX need "in XXX minutes" too
        return ((Alarm)item).getDateTimeString();
    }
}