Open source Star Ruler 2 source code!

2018-07-17 14:15:37 +02:00
commit cc307720ff
4342 changed files with 2365070 additions and 0 deletions
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+import elements.BaseGuiElement;
+import elements.GuiButton;
+import elements.GuiPanel;
+import elements.GuiText;
+
+export GuiAccordion;
+
+class GuiAccordion : BaseGuiElement {
+	SkinStyle style = SS_NULL;
+	int maxItemHeight = -1;
+	int spacing = 4;
+	bool expandItems = true;
+	bool multiple = false;
+	bool required = false;
+	bool clickableHeaders = true;
+	bool animate = true;
+	double animSpeed = 3.0;
+
+	IGuiElement@[] headers;
+	IGuiElement@[] items;
+	bool[] opened;
+	double[] animSize;
+
+	GuiAccordion(IGuiElement@ ParentElement, const recti& Rectangle) {
+		super(ParentElement, Rectangle);
+	}
+
+	GuiAccordion(IGuiElement@ ParentElement, Alignment@ Align) {
+		super(ParentElement, Align);
+	}
+
+	void draw() {
+		if(style != SS_NULL) {
+			uint flags = SF_Normal;
+			if(isGuiFocusIn(this))
+				flags |= SF_Focused;
+			skin.draw(style, flags, AbsolutePosition);
+		}
+		updateAnimation(frameLength);
+		BaseGuiElement::draw();
+	}
+
+	uint addSection(const string& header, IGuiElement@ item) {
+		GuiButton btn(this, recti(0, 0, 100, 29), header);
+		btn.font = FT_Medium;
+		btn.style = SS_AccordionHeader;
+		btn.horizAlign = 0.0;
+
+		if(!clickableHeaders) {
+			btn.disabled = true;
+			btn.textColor = colors::White;
+		}
+
+		return addSection(btn, item);
+	}
+
+	uint get_sectionCount() {
+		return items.length;
+	}
+
+	uint addSection(IGuiElement@ header, IGuiElement@ item) {
+		@header.parent = this;
+		@item.parent = this;
+
+		headers.insertLast(header);
+		items.insertLast(item);
+		opened.insertLast(false);
+		animSize.insertLast(0.0);
+		updatePositions();
+		return headers.length - 1;
+	}
+
+	uint addSection_r(IGuiElement@ header, IGuiElement@ item) {
+		@header.parent = this;
+		@item.parent = this;
+
+		headers.insertLast(header);
+		items.insertLast(item);
+		opened.insertLast(false);
+		animSize.insertLast(0.0);
+		return headers.length - 1;
+	}
+
+	void clearSections() {
+		for(uint i = 0, cnt = headers.length; i < cnt; ++i) {
+			headers[i].remove();
+			items[i].remove();
+		}
+		headers.length = 0;
+		items.length = 0;
+		animSize.length = 0;
+	}
+
+	void openSection(uint num, bool snap = true) {
+		if(!multiple) {
+			for(uint i = 0, cnt = headers.length; i < cnt; ++i) {
+				opened[i] = false;
+				if(snap)
+					animSize[i] = 0.0;
+			}
+		}
+
+		opened[num] = true;
+		if(snap)
+			animSize[num] = 1.0;
+		updatePositions();
+	}
+
+	void closeSection(uint num, bool snap = true) {
+		if(required)
+			return;
+		opened[num] = false;
+		if(snap)
+			animSize[num] = 0.0;
+		updatePositions();
+	}
+
+	void toggleSection(uint num, bool snap = false) {
+		if(opened[num])
+			closeSection(num, snap);
+		else
+			openSection(num, snap);
+		updatePositions();
+	}
+
+
+	void updateAnimation(double time) {
+		bool animating = false;
+		for(uint i = 0, cnt = animSize.length; i < cnt; ++i) {
+			if(opened[i]) {
+				if(animSize[i] < 1.0) {
+					animSize[i] = clamp(animSize[i] + time * animSpeed, 0.0, 1.0);
+					animating = true;
+
+					auto@ p = cast<GuiPanel>(items[i]);
+					if(p !is null)
+						p.setAnimating(animSize[i] < 1.0);
+				}
+			}
+			else {
+				if(animSize[i] > 0.0) {
+					animSize[i] = clamp(animSize[i] - time * animSpeed, 0.0, 1.0);
+					animating = true;
+
+					auto@ p = cast<GuiPanel>(items[i]);
+					if(p !is null)
+						p.setAnimating(animSize[i] > 0.0);
+				}
+			}
+		}
+		if(animating)
+			updatePositions();
+	}
+
+	void updatePositions() {
+		int y = 0, w = size.width, hh = 0;
+		if(expandItems && !multiple) {
+			for(uint i = 0, cnt = headers.length; i < cnt; ++i)
+				hh += headers[i].size.height + spacing;
+		}
+		for(uint i = 0, cnt = headers.length; i < cnt; ++i) {
+			IGuiElement@ header = headers[i];
+			IGuiElement@ item = items[i];
+
+			//Position header
+			int h = header.size.height;
+			header.size = vec2i(w, h);
+			header.position = vec2i(0, y);
+			
+			y += h;
+
+			//Position item
+			if(opened[i] || animSize[i] > 0) {
+				item.visible = true;
+				if(!expandItems)
+					h = item.size.height;
+				else if(!multiple)
+					h = size.height - hh;
+				else if(maxItemHeight == -1)
+					h = item.desiredSize.height;
+				else
+					h = min(maxItemHeight, item.desiredSize.height);
+				h *= animSize[i];
+				item.size = vec2i(w, h);
+				item.position = vec2i(0, y);
+				y += h;
+			}
+			else {
+				item.visible = false;
+			}
+
+			y += spacing;
+		}
+
+		size = vec2i(w, y);
+	}
+
+	bool onGuiEvent(const GuiEvent& event) {
+		if(event.type == GUI_Clicked && event.caller.parent is this) {
+			for(uint i = 0, cnt = headers.length; i < cnt; ++i) {
+				if(headers[i] is event.caller) {
+					toggleSection(i);
+					return true;
+				}
+			}
+		}
+		return BaseGuiElement::onGuiEvent(event);
+	}
+
+	void updateAbsolutePosition() {
+		BaseGuiElement::updateAbsolutePosition();
+		updatePositions();
+	}
+};