initial commit
This commit is contained in:
Ysm-04
403
src/table.cpp
Normal file
403
src/table.cpp
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#include "table.h"
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// 绘制表格的当前页
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// 使用双循环绘制行和列，考虑分页偏移
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void table::drawTable()
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{
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dX = x;
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dY = uY;
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uY = dY + lineHeights.at(0) + 10;
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for (int i = (currentPage * rowsPerPage - rowsPerPage); i < (currentPage*rowsPerPage) && i < data.size(); i++)
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{
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for (int j = 0; j < data[i].size(); j++)
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{
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uX = dX + colWidths.at(j) + 20;
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fillrectangle(dX, dY, uX, uY);
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outtextxy(dX + 10, dY + 5, LPCTSTR(data[i][j].c_str()));
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dX += this->colWidths.at(j) + 20;
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}
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dX = x;
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dY = uY;
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uY = dY + lineHeights.at(0) + 10;
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}
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uY = y + lineHeights.at(0) + 10;
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}
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void table::drawHeader()
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{
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uY = dY + lineHeights.at(0) + 10;
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for(int i = 0; i < headers.size(); i++)
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{
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uX = dX + colWidths.at(i) + 20;
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fillrectangle(dX, dY, uX, uY);
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outtextxy(dX + 10, dY + 5, LPCTSTR(headers[i].c_str()));
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dX += this->colWidths.at(i) + 20;
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}
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}
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// 初始化文本宽度和高度计算
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// 遍历所有数据和表头，计算每列的最大宽度和行高
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// 此方法在数据变更时自动调用
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void table::initTextWaH()
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{
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this->colWidths.resize(this->headers.size());
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this->lineHeights.resize(this->headers.size());
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int width = 0;
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int height = 0;
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//计算数据尺寸
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for (int i = 0; i < data.size(); i++)
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{
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for (int j = 0; j < data[i].size(); j++)
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{
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width = textwidth(LPCTSTR(data[i][j].c_str()));
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height = textheight(LPCTSTR(data[i][j].c_str()));
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if (width > this->colWidths.at(j))
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this->colWidths.at(j) = width;
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if (height > this->lineHeights[j])
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this->lineHeights.at(j) = height;
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}
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}
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for (int i = 0; i < this->headers.size(); i++)
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{
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width = textwidth(LPCTSTR(headers[i].c_str()));
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height = textheight(LPCTSTR(headers[i].c_str()));
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if (width > this->colWidths.at(i))
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this->colWidths.at(i) = width;
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if (height > this->lineHeights[i])
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this->lineHeights.at(i) = height;
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}
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// 计算表格总宽度和高度
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this->width = 0;
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for (int i = 0; i < colWidths.size(); i++)
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this->width += colWidths.at(i) + 20;
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LINESTYLE currentStyle;
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this->width += tableBorderWidth;
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this->height = lineHeights.at(0) * (rowsPerPage + 1) + rowsPerPage * 10+20 ; // 表头+数据行+页码区域
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// 如果背景图像不存在或尺寸不匹配，创建或重新创建
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if (saveBkImage == nullptr) {
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saveBkImage = new IMAGE(width, height);
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}
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else if (saveBkImage->getwidth() != width || saveBkImage->getheight() != height) {
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delete saveBkImage;
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saveBkImage = new IMAGE(width, height);
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}
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}
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void table::initButton()
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{
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int x1, x2;
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int y1, y2;
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x1 = pX - 70;
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x2 = pX + textwidth(LPCTSTR(pageNumtext.c_str())) + 10;
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y1 = y2 = pY;
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this->prevButton = new button(x1, y1, 60, textheight(LPCTSTR(pageNumtext.c_str())), "上一页", RGB(0, 0, 0), RGB(255, 255, 255));
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this->nextButton = new button(x2, y2, 60, textheight(LPCTSTR(pageNumtext.c_str())), "下一页", RGB(0, 0, 0), RGB(255, 255, 255));
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prevButton->setOnClickListener([this]()
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{if (this->currentPage > 1)
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{
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this->currentPage--;
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this->dirty = true;
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this->draw();
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} });
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nextButton->setOnClickListener([this]()
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{if (this->currentPage < (this->totalPages))
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{
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this->currentPage++;
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this->dirty = true;
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this->draw();
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}});
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}
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void table::initPageNum()
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{
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if (0 == pY)
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pY = uY + lineHeights.at(0) * rowsPerPage + rowsPerPage * 10+10;
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for (int i = 0; i < colWidths.size(); i++)
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this->pX += colWidths.at(i) + 20;
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this->pX -= textwidth(LPCTSTR(pageNumtext.c_str()));
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this->pX /= 2;
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this->pX += x;
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this->pageNum = new label(this->pX, pY, pageNumtext);
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//pageNum->setTxtdisap(true);
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pageNum->textStyle = this->textStyle;
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}
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void table::drawPageNum()
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{
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if (nullptr == pageNum)
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initPageNum();
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pageNumtext = std::to_string(currentPage);
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pageNumtext += "页/第";
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pageNumtext += std::to_string(totalPages);
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pageNumtext += "页";
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pageNum->setText(pageNumtext);
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pageNum->draw();
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}
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void table::drawButton()
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{
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if (nullptr == prevButton || nullptr == nextButton)
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initButton();
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prevButton->draw();
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nextButton->draw();
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}
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table::table(int x, int y)
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:Control(x, y, 0,0)
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{
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//this->saveBkImage = new IMAGE(this->width,this->height);
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}
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table::~table()
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{
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if (this->prevButton)
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delete this->prevButton;
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if (this->nextButton)
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delete this->nextButton;
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if (this->pageNum)
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delete this->pageNum;
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if (this->saveBkImage)
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delete this->saveBkImage;
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this->prevButton = nullptr;
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this->nextButton = nullptr;
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this->pageNum = nullptr;
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this->saveBkImage = nullptr;
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}
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void table::draw()
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{
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if (this->dirty)
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{
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// 先保存当前绘图状态
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saveStyle();
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// 设置表格样式
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setfillcolor(tableBkClor);
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setlinecolor(tableBorderClor);
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settextstyle(textStyle.nHeight, textStyle.nWidth, textStyle.lpszFace,
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textStyle.nEscapement, textStyle.nOrientation, textStyle.nWeight,
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textStyle.bItalic, textStyle.bUnderline, textStyle.bStrikeOut);
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settextcolor(textStyle.color);
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setlinestyle((int)tableLineStyle, tableBorderWidth);
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setfillstyle((int)tableFillMode);
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setbkmode(TRANSPARENT);
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// 是否需要计算单元格尺寸
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if (isNeedCellSize)
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{
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initTextWaH();
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isNeedCellSize = false;
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}
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// 在绘制表格之前捕获背景
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// 只有在第一次绘制或者尺寸变化时才需要重新捕获背景
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static bool firstDraw = true;
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if (firstDraw || isNeedDrawHeaders) {
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// 确保在绘制任何表格内容之前捕获背景
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if (saveBkImage) {
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// 临时恢复样式，确保捕获正确的背景
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restoreStyle();
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if(tableBorderWidth>1)
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getimage(saveBkImage, this->x- tableBorderWidth, this->y- tableBorderWidth, this->width+ tableBorderWidth, this->height+ tableBorderWidth);
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else
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getimage(saveBkImage, this->x, this->y, this->width, this->height);
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saveStyle(); // 重新保存样式
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// 重新设置表格样式
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setfillcolor(tableBkClor);
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setlinecolor(tableBorderClor);
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settextstyle(textStyle.nHeight, textStyle.nWidth, textStyle.lpszFace,
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textStyle.nEscapement, textStyle.nOrientation, textStyle.nWeight,
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textStyle.bItalic, textStyle.bUnderline, textStyle.bStrikeOut);
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settextcolor(textStyle.color);
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setlinestyle((int)tableLineStyle, tableBorderWidth);
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setfillstyle((int)tableFillMode);
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setbkmode(TRANSPARENT);
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}
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firstDraw = false;
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}
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// 恢复背景（清除旧内容）
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if (saveBkImage) {
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if (tableBorderWidth > 1)
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putimage(this->x - tableBorderWidth, this->y - tableBorderWidth, saveBkImage);
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else
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putimage(this->x,this->y,this->saveBkImage);
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}
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// 绘制表头
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dX = x;
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dY = y;
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drawHeader();
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this->isNeedDrawHeaders = false;
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// 绘制当前页
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drawTable();
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// 绘制页码标签
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drawPageNum();
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// 绘制翻页按钮
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if (this->isShowPageButton)
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drawButton();
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// 恢复绘图状态
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restoreStyle();
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dirty = false; // 标记不需要重绘
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}
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}
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void table::handleEvent(const ExMessage& msg)
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{
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if(!this->isShowPageButton)
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return;
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else
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{
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prevButton->handleEvent(msg);
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nextButton->handleEvent(msg);
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}
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}
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void table::setHeaders(std::initializer_list<std::string> headers)
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{
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this->headers.clear();
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for (auto lis : headers)
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this->headers.push_back(lis);
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isNeedCellSize = true; // 标记需要重新计算单元格尺寸
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isNeedDrawHeaders = true; // 标记需要重新绘制表头
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dirty = true;
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}
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void table::setData(const std::vector<std::string>& data)
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{
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this->data.push_back(data);
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totalPages = (this->data.size() + rowsPerPage - 1) / rowsPerPage;
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if (totalPages < 1)
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totalPages = 1;
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isNeedCellSize = true; // 标记需要重新计算单元格尺寸
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dirty = true;
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}
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void table::setData(const std::initializer_list<std::vector<std::string>>& data)
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{
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for (auto lis : data)
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this->data.push_back(lis);
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totalPages = (this->data.size() + rowsPerPage - 1) / rowsPerPage;
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if (totalPages < 1)
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totalPages = 1;
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isNeedCellSize = true; // 标记需要重新计算单元格尺寸
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dirty = true;
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}
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void table::setRowsPerPage(int rows)
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{
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this->rowsPerPage = rows;
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totalPages = (data.size() + rowsPerPage - 1) / rowsPerPage;
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if (totalPages < 1)
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totalPages = 1;
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isNeedCellSize = true; // 标记需要重新计算单元格尺寸
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dirty = true;
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}
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void table::showPageButton(bool isShow)
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{
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this->isShowPageButton = isShow;
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}
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void table::settableBorder(COLORREF color)
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{
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this->tableBorderClor = color;
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}
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void table::settableBk(COLORREF color)
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{
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this->tableBkClor = color;
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}
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void table::settableFillMode(StellarX::fillMode mode)
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{
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if (StellarX::fillMode::Solid == mode || StellarX::fillMode::Null == mode)
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this->tableFillMode = mode;
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else
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this->tableFillMode = StellarX::fillMode::Solid;
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}
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void table::settableLineStyle(StellarX::lineStyle style)
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{
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this->tableLineStyle = style;
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}
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void table::settableBorderWidth(int width)
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{
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this->tableBorderWidth = width;
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}
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int table::getCurrentPage() const
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{
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return this->currentPage;
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}
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int table::getTotalPages() const
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{
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return this->totalPages;;
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}
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int table::getRowsPerPage() const
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{
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return this->rowsPerPage;
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}
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bool table::getShowPageButton() const
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{
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return this->isShowPageButton;
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}
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COLORREF table::gettableBorder() const
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{
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return this->tableBorderClor;
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}
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COLORREF table::gettableBk() const
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{
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return this->tableBkClor;
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}
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StellarX::fillMode table::gettableFillMode() const
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{
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return this->tableFillMode;
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}
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StellarX::lineStyle table::gettableLineStyle() const
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{
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return this->tableLineStyle;
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}
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std::vector<std::string> table::getHeaders() const
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{
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return this->headers;
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}
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std::vector<std::vector<std::string>> table::getData() const
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{
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return this->data;
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}
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int table::gettableBorderWidth() const
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{
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return this->tableBorderWidth;
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}
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