116 lines
3.5 KiB
Text
116 lines
3.5 KiB
Text
export struct TimelineEvent {
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start: int,
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duration: int,
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finished: bool,
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label: string
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}
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global TimeString {
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pure function pad-mh(seconds: int, param: int) -> string {
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if seconds / param < 10 {
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return "0\{floor(seconds / param)}";
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}
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return "\{floor(seconds / param)}";
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}
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pure function pad-s(seconds: int) -> string {
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if mod(seconds, 60) < 10 {
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return "0\{mod(seconds, 60)}";
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}
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return "\{mod(seconds, 60)}";
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}
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public pure function from(seconds: int) -> string {
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return "\{pad-mh(seconds, 3600)}:\{pad-mh(mod(seconds, 3600), 60)}:\{pad-s(seconds)}";
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}
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}
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export component Timeline inherits Rectangle {
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callback new-day-started;
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in-out property<bool> updating: true;
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in-out property<[TimelineEvent]> events: [];
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in-out property<int> visible-time: 3600;
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property<int> visible-offset: max(offset, visible-time);
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in-out property<int> offset: 0;
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out property<int> max-offset: 24 * 3600 - 1;
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timer := Timer {
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interval: 1s;
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running: updating;
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triggered => {
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if (offset >= max-offset) {
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root.new-day-started();
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offset = 0;
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return;
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}
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offset += 1;
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}
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}
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background: gray;
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border-width: 1px;
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border-color: black;
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Rectangle {
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x: 0;
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y: parent.height / 4;
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z: 0;
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width: parent.width;
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height: parent.height / 2;
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border-color: black;
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border-width: 1px;
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background: purple;
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}
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Text {
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x: 0;
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y: parent.height - self.height;
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text: TimeString.from(visible-offset - visible-time);
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}
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Text {
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x: parent.width - self.width;
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y: parent.height - self.height;
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text: TimeString.from(visible-offset);
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}
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for event in events: timeline-event := Rectangle {
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property<length> real-x: ((visible-time - (visible-offset - event.start)) / visible-time) * parent.width;
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property<length> real-width: event.duration / visible-time * parent.width + min(real-x, 0);
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x: max(real-x, 0);
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y: parent.height / 4;
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z: 1;
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width: event.finished ?
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min(parent.width - self.x, real-width) :
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parent.width - self.x;
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height: parent.height / 2;
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visible: self.width > 0 && self.real-x < parent.width;
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border-color: black;
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border-width: 1px;
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background: red;
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Text {
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x: 0;
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y: -self.height;
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text: event.label;
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visible: timeline-event.visible;
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}
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start-txt := Text {
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x: 0;
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y: root.height - self.height - timeline-event.height;
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text: timeline-event.x == timeline-event.real-x ?
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TimeString.from(event.start) :
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TimeString.from(visible-offset - visible-time);
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visible: timeline-event.visible &&
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(self.width * 2 < timeline-event.width ||
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(!end-txt.visible && self.width < timeline-event.width));
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}
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end-txt := Text {
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x: timeline-event.width - self.width;
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y: root.height - self.height - timeline-event.height;
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text: timeline-event.x + timeline-event.real-width <= root.width ?
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TimeString.from(event.start + event.duration) :
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TimeString.from(visible-offset);
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visible: timeline-event.visible && timeline-event.width - self.width * 2 > 0;
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}
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}
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@children
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}
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