source: trunk/hiptop/pester/net/sabi/pester/AlarmListView.java@ 295

package net.sabi.pester;

import danger.app.Application;
import danger.app.Event;
import danger.ui.AlertWindow;
import danger.ui.ActiveListView;
import danger.ui.Font;
import danger.ui.Pen;
import danger.ui.Rect;
import danger.ui.Style;
import danger.ui.ToolTipWindow;
import danger.util.ActiveList;
import danger.util.DEBUG;
import danger.util.StringUtils;
import danger.util.format.StringFormat;

public class AlarmListView extends ActiveListView
    implements Resources, Commands {

    // XXX some of these shouldn't conceptually be static
    private static AlarmListWindow sAlarmListWindow;
    private static AlarmSetDialog sAlarmSetDialog;

    private danger.app.Alarm mToolTipAlarm;
    private ToolTipWindow mToolTipWindow;

    public void onDecoded() {
        sAlarmListWindow = (AlarmListWindow)getWindow();
        mToolTipAlarm = new danger.app.Alarm(0, this);
        setHasBorder(false);
        setList(Alarms.getList());
        Application.registerForEvent(this, Event.EVENT_TIME_CHANGED);
        super.onDecoded();
    }

    protected AlarmSetDialog alarmSetDialog() {
        if (sAlarmSetDialog == null)
            sAlarmSetDialog = AlarmSetDialog.getDialog();
        return sAlarmSetDialog;
    }

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

    public boolean receiveEvent(Event e) {
        switch (e.type) {
        case EVENT_NEW_ALARM:
            if (!Alarms.canCreateAlarm()) {
                AlertWindow alert =
                    Application.getCurrentApp().getAlert(ID_LIMIT_ALERT, this);
                alert.setMessage(StringFormat.withFormat(alert.getMessage(),
                                 String.valueOf(Alarms.MAX_ALARM_COUNT)));
                alert.show();
                return true;
            }
            alarmSetDialog().editAlarm(new Alarm(), true);
            return true;
        case EVENT_DISCARD_ALARM:
            mToolTipAlarm.deactivate();
            Alarm alarm = (Alarm)getFocusedItem();
            alarm.beginEditing();
            AlertWindow alert =
                Application.getCurrentApp().getAlert(ID_DISCARD_ALERT, this);
            alert.setMessage(StringFormat.withFormat(alert.getMessage(),
                                                     alarm.getMessage()));
            alert.show();
            return true;
        case EVENT_CONFIRM_DISCARD:
            Alarms.removeAlarm((Alarm)getFocusedItem());
            return true;
        case EVENT_CANCEL_DISCARD:
            ((Alarm)getFocusedItem()).resume();
            return true;
        case Event.EVENT_TIME_FORMAT_CHANGED:
            invalidate();
        case Event.EVENT_TIME_CHANGED:
            if (mToolTipWindow == null || !mToolTipWindow.isVisible())
                return true;
        case Event.EVENT_ALARM: // tooltip invalid
            showToolTip();
            return true;
        }
        return super.receiveEvent(e);
    }

    protected void itemActivated(Object item) {
        if (item == null)
            return;
        alarmSetDialog().editAlarm((Alarm)item, false);
    }

    protected void itemFocused(Object item) {
        mToolTipAlarm.deactivate();
    }

    public void loseFocus() {
        mToolTipAlarm.deactivate();
        super.loseFocus();
    }

    public void showToolTip() {
        Alarm alarm = (Alarm)getFocusedItem();
        if (alarm == null)
            return;
        Rect rect = new Rect();
        rect = localToGlobal(getInterestingRect(rect));
        if (mToolTipWindow != null)
            mToolTipWindow.hide();
        mToolTipWindow =
            ToolTipWindow.showToolTip(alarm.getDateTimeString() + " - " +
                                      alarm.getIntervalString(),
                                      localToGlobalH(10),
                                      localToGlobalV(mToolTipY),
                                      1, sAlarmListWindow);
        int secondsUntilUpdate = alarm.getSecondsUntilNextIntervalStringUpdate();
        if (secondsUntilUpdate == 0)
            return;
        mToolTipAlarm.resetWake(secondsUntilUpdate);
    }

    protected void paintEmptyList(Pen p, int width, int height) {
        Style style = getStyle();
        Font font = style.getFont(Style.DISABLED_LABEL_FONT);
        int y = (height / 4) - (font.getAscent() / 2);
        if (y < 0) {
            setHeight(sAlarmListWindow.getHeight());
            return;
        }
        // XXX localize
        String emptyMessage =
            "Press " + Font.GLYPH_MENU + " to set an alarm.";
        int x = (width / 2) - (font.getWidth(emptyMessage) / 2);
        p.setFont(font);
        p.setColor(style.getColor(Style.DISABLED_LABEL_COLOR));
        p.drawText(x, y, emptyMessage);
    }
    
    protected void paintItemLine(Pen p, int left, int top, int right, int bottom,
                                 boolean focused, Object item) {
        int oldOutlineColor = p.getTextOutlineColor();
        if (focused) {
            paintSelection(p, left, top, right, bottom);
            p.setColor(getStyle().getColor(Style.BACKGROUND_COLOR));
            p.setTextOutlineColor(getStyle().getColor(Style.FOREGROUND_COLOR));
        } else {
            p.setColor(getStyle().getColor(Style.FOREGROUND_COLOR));
        }
        Font font = p.getFont();
        int descent = font.getDescent(); 
        int height = descent + font.getAscent();
        top = ((top + bottom) / 2 + height / 2) - descent;
        Alarm alarm = (Alarm)item;
        left += 2;
        left += p.drawText(left, top, alarm.getDateTimeString(true));
        Font msgFont = font.findVariant(null, -1, Font.F_BOLD | Font.F_OUTLINE);
        p.setFont(msgFont);
        StringUtils.drawDisplayString(p, left, top, " " + alarm.getMessage(),
                                      (right - left - 2), msgFont);
        // restore
        p.setTextOutlineColor(oldOutlineColor);
        p.setFont(font);
    }

    public int alarmsSet() {
        return getListSize();
    }
    public void onItemAdded(ActiveList list, Object item, int index) {
        sAlarmListWindow.updateAlarmCount();
        super.onItemAdded(list, item, index);
        // super's default behavior is to preserve the existing selection,
        // which is admirable in general, but not what we want
        setFocus(index);
    }
    public void onItemRemoved(ActiveList list, Object item, int index) {
        ((Alarm)item).cancel();
        sAlarmListWindow.updateAlarmCount();
        super.onItemRemoved(list, item, index);
    }
}