mirror of
https://github.com/house-of-abbey/GarminHomeAssistant.git
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93 lines
3.1 KiB
MonkeyC
93 lines
3.1 KiB
MonkeyC
//-----------------------------------------------------------------------------------
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//
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// Distributed under MIT Licence
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// See https://github.com/house-of-abbey/GarminHomeAssistant/blob/main/LICENSE.
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//
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//-----------------------------------------------------------------------------------
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//
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// GarminHomeAssistant is a Garmin IQ application written in Monkey C and routinely
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// tested on a Venu 2 device. The source code is provided at:
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// https://github.com/house-of-abbey/GarminHomeAssistant.
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//
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// P A Abbey & J D Abbey & Someone0nEarth, 31 October 2023
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//
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//------------------------------------------------------------
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import Toybox.Graphics;
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import Toybox.Lang;
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import Toybox.WatchUi;
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//! Factory that controls which numbers can be picked
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class HomeAssistantNumericFactory extends WatchUi.PickerFactory {
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// define default values in case not contained in data
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private var mStart as Lang.Float = 0.0;
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private var mStop as Lang.Float = 100.0;
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private var mStep as Lang.Float = 1.0;
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private var mFormatString as Lang.String = "%.2f";
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//! Class Constructor
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//!
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public function initialize(data as Lang.Dictionary) {
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PickerFactory.initialize();
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// Get values from data
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var val = data.get("min");
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if (val != null) {
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mStart = val.toString().toFloat();
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}
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val = data.get("max");
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if (val != null) {
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mStop = val.toString().toFloat();
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}
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val = data.get("step");
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if (val != null) {
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mStep = val.toString().toFloat();
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}
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if (mStep < 0.01) {
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mFormatString="%.3f";
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} else if (mStep < 0.1) {
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mFormatString="%2f";
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} else if (mStep < 1) {
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mFormatString="%.1f";
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} else {
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mFormatString="%d";
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}
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}
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//! Get the index of a number item
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//! @param value The number to get the index of
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//! @return The index of the number
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public function getIndex(value as Float) as Number {
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return ((value / mStep) - mStart).toNumber();
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}
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//! Generate a Drawable instance for an item
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//! @param index The item index
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//! @param selected true if the current item is selected, false otherwise
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//! @return Drawable for the item
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public function getDrawable(index as Number, selected as Boolean) as Drawable? {
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var value = getValue(index);
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var text = "No item";
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if (value instanceof Lang.Float) {
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text = value.format(mFormatString);
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}
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return new WatchUi.Text({:text=>text, :color=>Graphics.COLOR_WHITE,
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:locX=>WatchUi.LAYOUT_HALIGN_CENTER, :locY=>WatchUi.LAYOUT_VALIGN_CENTER});
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}
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//! Get the value of the item at the given index
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//! @param index Index of the item to get the value of
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//! @return Value of the item
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public function getValue(index as Number) as Object? {
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return mStart + (index * mStep);
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}
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//! Get the number of picker items
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//! @return Number of items
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public function getSize() as Number {
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return ((mStop - mStart) / mStep).toNumber() + 1;
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}
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}
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