zhipuzi_pos_windows/zhipuzi_pos_windows/control/CDiandanNatureItemUI.cpp

#include "pch.h"
#include "CDiandanNatureItemUI.h"

#include "../wnd/CDiandanNatureWnd.h"

namespace
{
	// 测量指定字体下文本的像素宽度（GDI，用于 mini-html {x offset} 右对齐加价）
	int MeasureTextWidth(DuiLib::CPaintManagerUI* pManager, int fontId, const std::wstring& text)
	{
		if (!pManager || text.empty()) return 0;

		DuiLib::TFontInfo* pFontInfo = pManager->GetFontInfo(fontId);
		if (!pFontInfo || !pFontInfo->hFont) return 0;

		HDC hdc = GetDC(NULL);
		if (!hdc) return 0;

		HDC memDC = CreateCompatibleDC(hdc);
		int width = 0;
		if (memDC)
		{
			HGDIOBJ hOldFont = SelectObject(memDC, pFontInfo->hFont);
			SIZE size = { 0, 0 };
			if (GetTextExtentPoint32W(memDC, text.c_str(), (int)text.length(), &size))
			{
				width = size.cx;
			}
			SelectObject(memDC, hOldFont);
			DeleteDC(memDC);
		}
		ReleaseDC(NULL, hdc);
		return width;
	}

	// 去掉属性值名称末尾的加价后缀（如 +3 / +27 / +0.5），避免与右侧红橙价重复
	// 规则：尾部空格 + +号 + 可选小数数字；若去掉后为空则保留原名，防止无名称
	std::wstring StripTrailingPrice(const std::wstring& name)
	{
		if (name.empty()) return name;
		int n = (int)name.size();
		int i = n - 1;
		while (i >= 0 && name[i] == L' ') i--;
		if (i < 0) return name;

		// 必须以数字结尾
		if (i >= 0 && name[i] >= L'0' && name[i] <= L'9')
		{
			// 整数部分
			while (i >= 0 && name[i] >= L'0' && name[i] <= L'9') i--;
			// 可选小数部分：.digits
			if (i >= 0 && name[i] == L'.')
			{
				int dotPos = i;
				int j = i - 1;
				while (j >= 0 && name[j] >= L'0' && name[j] <= L'9') j--;
				if (j < dotPos - 1) i = j; // 小数点后有数字，一起去掉
			}
			// 前面必须是 '+'
			if (i >= 0 && name[i] == L'+')
			{
				int cut = i;
				while (cut > 0 && name[cut - 1] == L' ') cut--;
				if (cut > 0) return name.substr(0, cut);
				// 整个字符串只剩下 +N 时保留原名，避免按钮名字为空
				return name;
			}
		}
		return name;
	}
}

CDiandanNatureItemUI::CDiandanNatureItemUI()
{
}

CDiandanNatureItemUI::~CDiandanNatureItemUI()
{
}

void CDiandanNatureItemUI::SetNatureName(std::string name)
{
	m_nature_name = name;

	CLabelUI* pName = static_cast<CLabelUI*>(this->FindSubControl(_T("diandan_nature_layout_name")));
	pName->SetText(CLewaimaiString::UTF8ToUnicode(name).c_str());
}

void CDiandanNatureItemUI::SetNatureLimitChoose(std::string limit_choose)
{
	m_nLimitChoose = atoi(limit_choose.c_str());
}

void CDiandanNatureItemUI::SetNatureNameNum(int nNum)
{
	m_nNatureNameNum = nNum;
}

void CDiandanNatureItemUI::addNatureValue(FoodNatureValue value)
{
	m_nature_value.push_back(value);
}

std::wstring CDiandanNatureItemUI::MakeBtnText(DuiLib::CPaintManagerUI* pManager, const std::wstring& name, int value, bool selected)
{
	// 去掉商品属性值名称末尾自带的加价后缀（如 "+3"），避免与右侧红橙价重复显示
	std::wstring baseName = StripTrailingPrice(name);
	if (baseName.empty()) baseName = name;

	std::wstring s = baseName;
	if (value > 0)
	{
		// 文本区宽度 = 按钮 185 - 左 padding 12 - 右 padding 12 - 右侧安全边距 2
		const int TEXT_AREA_W = 185 - 12 - 12 - 2;
		int nameFontId = selected ? 112 : 12; // 选中 13 粗体 / 未选 13 常规
		int priceFontId = 112; // 加价始终 13px 粗体（与属性名同字号；选中/未选中都加粗）

		// 加价：暖红橙 #F5623D + 13 粗体，与属性名同字号但恒定加粗
		// 数字前加人民币符号 ¥（紧贴数字，+ 为加价标识）
		std::wstring price = L"+¥" + std::to_wstring(value);
		int priceW = MeasureTextWidth(pManager, priceFontId, price);

		const int MIN_GAP = 4; // 名称与加价之间的最小间距

		// 名称超长时截断并加省略号，保证加价始终完整可见（不会被右侧 padding 裁掉）
		std::wstring showName = baseName;
		int nameW = MeasureTextWidth(pManager, nameFontId, showName);
		int availForName = TEXT_AREA_W - priceW - MIN_GAP;
		if (nameW > availForName)
		{
			std::wstring trunc = baseName;
			while (trunc.length() > 1)
			{
				trunc = trunc.substr(0, trunc.length() - 1);
				if (MeasureTextWidth(pManager, nameFontId, trunc + L"…") <= availForName) break;
			}
			showName = trunc + L"…";
			nameW = MeasureTextWidth(pManager, nameFontId, showName);
		}

		int offset = TEXT_AREA_W - nameW - priceW;
		if (offset < MIN_GAP) offset = MIN_GAP; // 兜底间距，防止极端情况下重叠

		// 仅改红色 + 强制 13 粗体（选中/未选中都加粗，font 112），与属性名同字号
		s = showName + L"{x " + std::to_wstring(offset) + L"}<c #F5623D><f 112>" + price + L"</f></c>";
	}
	return s;
}

void CDiandanNatureItemUI::ApplySelectStyle(CButtonUI* pBtn, int index, bool selected)
{
	DuiLib::CPaintManagerUI* pManager = pBtn->GetManager();

	if (selected)
	{
		// C3 选中态：白底 + 主绿描边 + 绿字
		pBtn->SetNormalImage(L"file='nature_pill_sel_n.png'");
		pBtn->SetHotImage(L"file='nature_pill_sel_h.png'");
		pBtn->SetPushedImage(L"file='nature_pill_sel_p.png'");
		pBtn->SetTextColor(0xFF60B177);
		pBtn->SetHotTextColor(0xFF60B177);
		pBtn->SetPushedTextColor(0xFF60B177);
		pBtn->SetFont(112);
	}
	else
	{
		// C3 未选中态：白底 + 浅灰描边 + 深色字
		pBtn->SetNormalImage(L"file='nature_pill_n.png'");
		pBtn->SetHotImage(L"file='nature_pill_h.png'");
		pBtn->SetPushedImage(L"file='nature_pill_p.png'");
		pBtn->SetTextColor(0xFF1F2329);
		pBtn->SetHotTextColor(0xFF1F2329);
		pBtn->SetPushedTextColor(0xFF1F2329);
		pBtn->SetFont(12);
	}

	FoodNatureValue& v = m_nature_value[index];
	pBtn->SetText(MakeBtnText(pManager, CLewaimaiString::UTF8ToUnicode(v.name), v.value, selected).c_str());
	pBtn->Invalidate();
}

void CDiandanNatureItemUI::ShowNatureValue()
{
	CHorizontalLayoutUI* pValueLayout = static_cast<CHorizontalLayoutUI*>(this->FindSubControl(_T("diandan_nature_layout_value")));

	int totoal_value_size = m_nature_value.size();

	int nRows = (totoal_value_size - 1) / 4 + 1;
	int nCols = 4;

	//设置属性区域的高度
	pValueLayout->SetFixedHeight(nRows * 54);

	// 组高 = 网格高 + 分组头 28 + 头与网格间距 12(childpadding) + 顶 padding 10
	// 注意：XML 中 padding top=10 会减少内容区高度，必须同步补回来，否则最后一行底部被截断
	this->SetFixedHeight(nRows * 54 + 28 + 12 + 10);

	//开始设置每个控件的位置
	int value_num = 0;
	for (std::vector<FoodNatureValue>::iterator it = m_nature_value.begin(); it != m_nature_value.end(); it++)
	{
		//这里面的是属性值信息
		CButtonUI* newButton = new CButtonUI();

		newButton->SetFixedWidth(185);
		newButton->SetFixedHeight(44);
		newButton->SetShowHtml(true);
		newButton->SetTextPadding(RECT{ 12, 0, 12, 0 });
		newButton->SetBorderSize(0);
		newButton->SetBkColor(0);
		newButton->SetHotBkColor(0);
		newButton->SetPushedBkColor(0);

		//设置定义属性，在点击按钮的时候好区分
		newButton->SetAttribute(L"name", L"diandan_nature_value_btn");
		newButton->AddCustomAttribute(L"nature_name_num", std::to_wstring(m_nNatureNameNum).c_str());
		newButton->AddCustomAttribute(L"nature_value_num", std::to_wstring(value_num).c_str());

		//必须先Add，才能调用下面的SetPos，否则无效
		pValueLayout->Add(newButton);

		//设置位置，根据行数和列数来计算，行数和列数第一个都是1，按钮宽度185，高度44，右和下间距10
		int curRow = value_num / 4 + 1;
		int curCol = value_num % 4 + 1;

		RECT rect;
		rect.left = (curCol - 1) * 195;
		rect.right = rect.left + 185;
		rect.top = (curRow - 1) * 54;
		rect.bottom = rect.top + 44;

		newButton->SetFloat(true);

		// 强制设置固定大小和位置
		SIZE size;
		size.cx = rect.left;
		size.cy = rect.top;

		newButton->SetFixedXY(size);
		newButton->SetFixedWidth(rect.right - rect.left);
		newButton->SetFixedHeight(rect.bottom - rect.top);

		//默认未选中样式（C3 白底描边 + 右对齐加价）
		ApplySelectStyle(newButton, value_num, false);

		value_num++;
	}

	//初始化选中

	//如果是点击商品的，默认选中第一个
	if (m_InitFoodNatureSelectValue.m_nature_selects.size() == 0)
	{
		m_nature_value[0].is_select = true;

		CButtonUI* newButton = static_cast<CButtonUI*>(pValueLayout->GetItemAt(0));
		ApplySelectStyle(newButton, 0, true);

		m_nSelectNum = 1;
	}
	else
	{
		m_nSelectNum = 0;

		//可能有1到多个商品属性值被选中
		for (std::vector< FoodNatureSelectValueInfo>::iterator it = m_InitFoodNatureSelectValue.m_nature_selects.begin(); it != m_InitFoodNatureSelectValue.m_nature_selects.end(); it++)
		{
			int index = (*it).nature_select_index;

			m_nature_value[index].is_select = true;

			CButtonUI* newButton = static_cast<CButtonUI*>(pValueLayout->GetItemAt(index));
			ApplySelectStyle(newButton, index, true);

			m_nSelectNum++;
		}
	}
}

void CDiandanNatureItemUI::SetNatureSelected(int index)
{
	CHorizontalLayoutUI* pValueLayout = static_cast<CHorizontalLayoutUI*>(this->FindSubControl(_T("diandan_nature_layout_value")));

	if (m_nature_value[index].is_select == true)
	{
		//点击的这个当前是选中状态
		if (m_nLimitChoose == 1)
		{
			//如果最多就只能选一个属性值的，点了选中状态的就没变化
		}
		else
		{
			//如果是可以选多个值的，点了选中状态就改为非选中状态
			if (m_nSelectNum == 1)
			{
				m_pNatureWnd->ShowToast(L"最少选择1个属性");

				return;
			}

			m_nature_value[index].is_select = false;

			CButtonUI* old_btn = static_cast<CButtonUI*>(pValueLayout->GetItemAt(index));
			ApplySelectStyle(old_btn, index, false);

			m_nSelectNum--;
		}
	}
	else
	{
		//点击的这个是非选中状态
		if (m_nLimitChoose == 1)
		{
			//如果最大限制就是1个，点击非选中状态的，就自动选中这个
			int num = 0;
			for (std::vector<FoodNatureValue>::iterator it = m_nature_value.begin(); it != m_nature_value.end(); it++)
			{
				if (it->is_select == true)
				{
					//把旧的选中的设为非选中
					m_nature_value[num].is_select = false;

					CButtonUI* old_btn = static_cast<CButtonUI*>(pValueLayout->GetItemAt(num));
					ApplySelectStyle(old_btn, num, false);
				}

				num++;
			}

			//再把刚点击的设为选中
			m_nature_value[index].is_select = true;

			CButtonUI* new_btn = static_cast<CButtonUI*>(pValueLayout->GetItemAt(index));
			ApplySelectStyle(new_btn, index, true);
		}
		else
		{
			if (m_nSelectNum >= m_nLimitChoose)
			{
				m_pNatureWnd->ShowToast(L"最多选择" + std::to_wstring(m_nLimitChoose) + L"个属性");

				return;
			}

			//否则进行选中
			m_nature_value[index].is_select = true;

			CButtonUI* new_btn = static_cast<CButtonUI*>(pValueLayout->GetItemAt(index));
			ApplySelectStyle(new_btn, index, true);

			m_nSelectNum++;
		}
	}
}

std::string CDiandanNatureItemUI::GetNatureName()
{
	return m_nature_name;
}

int CDiandanNatureItemUI::GetNatureNameNum()
{
	return m_nNatureNameNum;
}

std::vector<FoodNatureSelectValueInfo> CDiandanNatureItemUI::GetSelectedNatureInfo()
{
	std::vector<FoodNatureSelectValueInfo> infoArray;

	int num = 0;
	for (std::vector<FoodNatureValue>::iterator it = m_nature_value.begin(); it != m_nature_value.end(); it++)
	{
		if (it->is_select == true)
		{
			FoodNatureSelectValueInfo newInfo;

			newInfo.nature_select_name = (*it).name;
			newInfo.nature_select_value = (*it).value;
			newInfo.nature_select_index = num;

			infoArray.push_back(newInfo);
		}

		num++;
	}

	return infoArray;
}