Add table UI and single cell properties

1 files changed, 177 insertions, 41 deletions

diff --git a/core/src/UI/UI_Templates.cpp b/core/src/UI/UI_Templates.cpp
index 7d0251a..48393dc 100644
--- a/core/src/UI/UI_Templates.cpp
+++ b/core/src/UI/UI_Templates.cpp
@@ -1,4 +1,4 @@
-#include "UI.hpp"
+#include "UI.hpp"
 
 #include "Model/GlobalStates.hpp"
 #include "Model/Project.hpp"
@@ -22,7 +22,7 @@ public:
 	static std::unique_ptr<TemplateUI> CreateByKind(Template::Kind kind);
 
 	virtual ~TemplateUI() = default;
-	virtual void Draw() = 0;
+	virtual void Display() = 0;
 };
 
 class TableTemplateUI : public TemplateUI
@@ -30,6 +30,14 @@ class TableTemplateUI : public TemplateUI
 private:
 	std::unique_ptr<TableTemplate> mTable;
 
+	struct UICell
+	{
+		bool Hovered = false;
+		bool Held = false;
+		bool Selected = false;
+	};
+	std::vector<UICell> mUICells;
+
 	Vec2i mSelectionTL;
 	Vec2i mSelectionBR;
 
@@ -39,12 +47,14 @@ private:
 public:
 	TableTemplateUI(std::unique_ptr<TableTemplate> table)
 		: mTable{ std::move(table) }
+		, mSelectionTL{ -1, -1 }
+		, mSelectionBR{ -1, -1 }
 	{
 		// TODO debug code
-		mTable->Resize(6, 2);
+		Resize(6, 5);
 	}
 
-	virtual void Draw() override
+	virtual void Display() override
 	{
 		ImGui::Columns(2);
 		if (mFirstDraw) {
@@ -52,60 +62,122 @@ public:
 			ImGui::SetColumnWidth(0, ImGui::GetWindowWidth() * 0.15f);
 		}
 
-		DrawInspector();
+		DisplayInspector();
 		ImGui::NextColumn();
 
-		DrawTable();
+		DisplayTable();
 		ImGui::NextColumn();
 
 		ImGui::Columns(1);
 	}
 
+	void Resize(int width, int height)
+	{
+		mTable->Resize(width, height);
+		mUICells.resize(width * height);
+	}
+
 private:
-	void DrawInspector()
+	void DisplayInspector()
 	{
 		if (ImGui::BeginTabBar("Inspector")) {
 			if (ImGui::BeginTabItem("Cell")) {
-				DrawCellInspector();
+				if (!IsSelected()) {
+					ImGui::Text("Select a cell to edit");
+				} else if (mSelectionTL == mSelectionBR) {
+					auto& selectCell = mTable->GetCell(mSelectionTL);
+					DisplayCellProperties(mSelectionTL);
+				} else {
+					DisplayRangeProperties(mSelectionTL, mSelectionBR);
+				}
 				ImGui::EndTabItem();
 			}
+
 			if (ImGui::BeginTabItem("Table")) {
-				DrawTableInspector();
+				DisplayTableInspector();
 				ImGui::EndTabItem();
 			}
+
 			ImGui::EndTabBar();
 		}
 	}
 
-	void DrawCellInspector()
+	void DisplayCellProperties(Vec2i pos)
 	{
-		if (IsSelected()) {
-			if (mSelectionTL == mSelectionBR) {
-				auto& selectCell = mTable->GetCell(mSelectionTL);
-				// TODO
-			} else {
-				// TODO
+		auto& cell = mTable->GetCell(pos);
+		auto& uiCell = mUICells[pos.y * mTable->GetTableWidth() + pos.x];
+
+		constexpr auto kLeft = I18N_TEXT("Left", L10N_TABLE_CELL_ALIGN_LEFT);
+		constexpr auto kCenter = I18N_TEXT("Center", L10N_TABLE_CELL_ALIGN_CENTER);
+		constexpr auto kRight = I18N_TEXT("Right", L10N_TABLE_CELL_ALIGN_RIGHT);
+
+		const char* horizontalText;
+		switch (cell.HorizontalAlignment) {
+			case TableCell::AlignAxisMin: horizontalText = kLeft; break;
+			case TableCell::AlignCenter: horizontalText = kCenter; break;
+			case TableCell::AlignAxisMax: horizontalText = kRight; break;
+		}
+
+		if (ImGui::BeginCombo(I18N_TEXT("Horizontal alignment", L10N_TABLE_CELL_HORIZONTAL_ALIGNMENT), horizontalText)) {
+			if (ImGui::Selectable(kLeft, cell.HorizontalAlignment == TableCell::AlignAxisMin)) {
+				cell.HorizontalAlignment = TableCell::AlignAxisMin;
+			}
+			if (ImGui::Selectable(kCenter, cell.HorizontalAlignment == TableCell::AlignCenter)) {
+				cell.HorizontalAlignment = TableCell::AlignCenter;
 			}
-		} else {
-			ImGui::Text("Select a cell to edit");
+			if (ImGui::Selectable(kRight, cell.HorizontalAlignment == TableCell::AlignAxisMax)) {
+				cell.HorizontalAlignment = TableCell::AlignAxisMax;
+			}
+			ImGui::EndCombo();
+		}
+
+		constexpr auto kTop = I18N_TEXT("Left", L10N_TABLE_CELL_ALIGN_TOP);
+		constexpr auto kMiddle = I18N_TEXT("Middle", L10N_TABLE_CELL_ALIGN_MIDDLE);
+		constexpr auto kBottom = I18N_TEXT("Right", L10N_TABLE_CELL_ALIGN_BOTTOM);
+
+		const char* verticalText;
+		switch (cell.VerticalAlignment) {
+			case TableCell::AlignAxisMin: verticalText = kTop; break;
+			case TableCell::AlignCenter: verticalText = kMiddle; break;
+			case TableCell::AlignAxisMax: verticalText = kBottom; break;
+		}
+
+		if (ImGui::BeginCombo(I18N_TEXT("Vertical alignment", L10N_TABLE_CELL_VERTICAL_ALIGNMENT), verticalText)) {
+			if (ImGui::Selectable(kTop, cell.VerticalAlignment == TableCell::AlignAxisMin)) {
+				cell.VerticalAlignment = TableCell::AlignAxisMin;
+			}
+			if (ImGui::Selectable(kMiddle, cell.VerticalAlignment == TableCell::AlignCenter)) {
+				cell.VerticalAlignment = TableCell::AlignCenter;
+			}
+			if (ImGui::Selectable(kBottom, cell.VerticalAlignment == TableCell::AlignAxisMax)) {
+				cell.VerticalAlignment = TableCell::AlignAxisMax;
+			}
+			ImGui::EndCombo();
 		}
 	}
 
-	void DrawTableInspector()
+	void DisplayRangeProperties(Vec2i tl, Vec2i br)
 	{
 		// TODO
 	}
 
-	void DrawTable()
+	void DisplayTableInspector()
 	{
-		constexpr int kCellSpacing = 20;
+		// TODO
+	}
 
+	void DisplayTable()
+	{
+		ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(8, 8));
 		ImGui::BeginChild("TableTemplate");
 
+		auto regularColor = ImGui::GetColorU32(ImGuiCol_Button);
+		auto hoveredColor = ImGui::GetColorU32(ImGuiCol_ButtonHovered);
+		auto activeColor = ImGui::GetColorU32(ImGuiCol_ButtonActive);
+		auto navHighlight = ImGui::GetColorU32(ImGuiCol_NavHighlight);
+
 		int colCount = mTable->GetTableWidth();
 		int rowCount = mTable->GetTableHeight();
-		float x = 0.0f;
-		float y = 0.0f;
 		for (int rowIdx = 0; rowIdx < rowCount; ++rowIdx) {
 			int rowHeight = mTable->GetRowHeight(rowIdx);
 
@@ -113,37 +185,69 @@ private:
 				int colWidth = mTable->GetColumnWidth(colIdx);
 
 				int i = rowIdx * colCount + colIdx;
-				ImGuiID id = ImGui::GetCurrentWindow()->GetID(i);
+				auto window = ImGui::GetCurrentWindow();
+				auto id = window->GetID(i);
 
-				auto p = ImGui::GetCursorPos();
-				ImGui::GetWindowDrawList()->AddRectFilled(
-					ImVec2(p.x + x, p.y + y),
-					ImVec2(p.x + x + colWidth, p.y + y + rowHeight),
-					RgbaColor(170, 204, 244).AsImU32());
+				Vec2i cellLoc{ colIdx, rowIdx };
+				auto& cell = mTable->GetCell(cellLoc);
+				auto& uiCell = mUICells[i];
 
+				ImVec2 size(colWidth, rowHeight);
 				ImRect rect{
-					ImVec2(x, y),
-					ImVec2(colWidth, rowHeight),
+					window->DC.CursorPos,
+					window->DC.CursorPos + ImGui::CalcItemSize(size, 0.0f, 0.0f),
 				};
-				if (ImGui::ButtonBehavior(rect, id, nullptr, nullptr)) {
+
+				if (uiCell.Selected) {
+					window->DrawList->AddRectFilled(
+						rect.Min - ImVec2(2, 1),
+						rect.Max + ImVec2(2, 1),
+						navHighlight);
+				} else {
+					ImU32 color;
+					if (uiCell.Held) {
+						color = activeColor;
+					} else if (uiCell.Hovered) {
+						color = hoveredColor;
+					} else {
+						color = regularColor;
+					}
+					window->DrawList->AddRectFilled(rect.Min, rect.Max, color);
+				}
+
+				ImGui::ItemSize(size);
+				if (!ImGui::ItemAdd(rect, id)) {
+					continue;
+				}
+
+				if (ImGui::ButtonBehavior(rect, id, &uiCell.Hovered, &uiCell.Held)) {
 					if (ImGui::GetIO().KeyShift && IsSelected()) {
-						// Select range
-						mSelectionBR = { colIdx, rowIdx };
+						SelectRange(mSelectionTL, { colIdx, rowIdx });
 					} else {
-						// Select a single cell
 						SelectCell({ colIdx, rowIdx });
 					}
 				}
 
-				x += colWidth;
-				x += kCellSpacing;
+				// Don't SameLine() if we are on the last cell in the row
+				if (colIdx != colCount - 1) {
+					ImGui::SameLine();
+				}
 			}
-
-			y += rowHeight;
-			y += kCellSpacing;
 		}
 
 		ImGui::EndChild();
+		ImGui::PopStyleVar();
+	}
+
+	template <class TFunction>
+	void ForeachSelectedCell(const TFunction& func)
+	{
+		for (int y = mSelectionTL.y; y <= mSelectionBR.y; ++y) {
+			for (int x = mSelectionTL.x; x <= mSelectionBR.x; ++x) {
+				int i = y * mTable->GetTableWidth() + x;
+				func(i, x, y);
+			}
+		}
 	}
 
 	bool IsSelected() const
@@ -153,14 +257,46 @@ private:
 
 	void ClearSelection()
 	{
+		if (IsSelected()) {
+			ForeachSelectedCell([this](int i, int, int) {
+				auto& uiCell = mUICells[i];
+				uiCell.Selected = false;
+			});
+		}
+
 		mSelectionTL = { -1, -1 };
 		mSelectionBR = { -1, -1 };
 	}
 
+	void SelectRange(Vec2i p1, Vec2i p2)
+	{
+		ClearSelection();
+
+		if (p2.x < p1.x) {
+			std::swap(p2.x, p1.x);
+		}
+		if (p2.y < p1.y) {
+			std::swap(p2.y, p1.y);
+		}
+
+		mSelectionTL = p1;
+		mSelectionBR = p2;
+
+		ForeachSelectedCell([this](int i, int, int) {
+			auto& uiCell = mUICells[i];
+			uiCell.Selected = true;
+		});
+	}
+
 	void SelectCell(Vec2i cell)
 	{
+		ClearSelection();
+
 		mSelectionTL = cell;
 		mSelectionBR = cell;
+
+		int i = cell.y * mTable->GetTableWidth() + cell.x;
+		mUICells[i].Selected = true;
 	}
 };
 
@@ -228,6 +364,6 @@ void UI::TemplatesTab()
 	}
 
 	if (openTemplate) {
-		openTemplate->Draw();
+		openTemplate->Display();
 	}
 }