REPORT-58252 报表块单元格行列标识去掉后的弥补方案

【问题原因】
表单报表块缩略图中去掉表格行列标志后，需要提供给用户一个仅
通过缩略图确定表格内容区域位置的方案。讨论后的方案为表格缩略
图中不出现内容区域外的网格线，用户从而可以直接通过缩略图网格线
的尺寸和位置来确定内容区域的大小和位置.

【改动思路】
同上

designer-realize/src/main/java/com/fr/design/mainframe/form/FormElementCaseDesigner.java

@@ -152,10 +152,13 @@ public class FormElementCaseDesigner
             Grid grid = this.elementCasePane != null ? this.elementCasePane.getGrid() : null;
             if (grid != null) {
                 boolean oldTranslucent = grid.isTranslucent();
+                boolean oldShowExtraGridLine = grid.isShowExtraGridLine();
                 // 截缩图图时grid需支持半透明，不能用默认白色填充画布，否则会遮挡组件样式背景
                 grid.setTranslucent(true);
+                grid.setShowExtraGridLine(false);
                 grid.paint(g2d);
                 grid.setTranslucent(oldTranslucent);
+                grid.setShowExtraGridLine(oldShowExtraGridLine);
             }
 
         } catch (Exception e) {

designer-realize/src/main/java/com/fr/grid/Grid.java

@@ -136,6 +136,8 @@ public class Grid extends BaseGridComponent {
 
     // 截取缩略图时需透明（不能用默认白色填充），否则会遮挡组件样式的背景，其余情况的绘制可以用白色等默认颜色填充
     private boolean isTranslucent = false;
+    // 是否绘制单元格内容区之外的网格线
+    private boolean showExtraGridLine = true;
 
     public Grid(int resolution) {
         this.resolution = resolution;
@@ -1469,4 +1471,12 @@ public class Grid extends BaseGridComponent {
     public void setTranslucent(boolean translucent) {
         isTranslucent = translucent;
     }
+
+    public boolean isShowExtraGridLine() {
+        return showExtraGridLine;
+    }
+
+    public void setShowExtraGridLine(boolean showExtraGridLine) {
+        this.showExtraGridLine = showExtraGridLine;
+    }
 }

designer-realize/src/main/java/com/fr/grid/GridUI.java

@@ -288,15 +288,25 @@ public class GridUI extends ComponentUI {
                 }
             }
         }
-        GridRange gridRange = GridRange.range(grid.getHorizontalBeginValue(), horizontalEndValue, grid.getVerticalBeginValue(), verticalEndValue)
+        int xBeginIndex = grid.getHorizontalBeginValue();
+        int xEndIndex = horizontalEndValue;
+        int yBeginIndex = grid.getVerticalBeginValue();
+        int yEndIndex = verticalEndValue;
+        if (!grid.isShowExtraGridLine()) {
+            xBeginIndex = 0;
+            xEndIndex = Math.max(0, report.getColumnCount() - 1);
+            yBeginIndex = 0;
+            yEndIndex = Math.max(0, report.getRowCount() - 1);
+        }
+        GridRange gridRange = GridRange.range(xBeginIndex, xEndIndex, yBeginIndex, yEndIndex)
                 .rangeList(rowHeightList, columnWidthList)
                 .realSize(realWidth, realHeight);
 
-        new DrawVerticalLineHelper(gridRange, grid.isShowGridLine(),
+        new DrawVerticalLineHelper(gridRange, grid.isShowGridLine(), grid.isShowExtraGridLine(),
                 isShowVerticalPaginateLine, paperPaintHeight,
                 paginateLineList, resolution).iterateStart2End(g2d);
 
-        new DrawHorizontalLineHelper(gridRange, grid.isShowGridLine(),
+        new DrawHorizontalLineHelper(gridRange, grid.isShowGridLine(), grid.isShowExtraGridLine(),
                 isShowHorizontalPaginateLine, paperPaintWidth,
                 paginateLineList, resolution).iterateStart2End(g2d);
     }
@@ -320,6 +330,7 @@ public class GridUI extends ComponentUI {
         protected GridRange gridRange;
 
         protected boolean showGridLine;
+        protected boolean showExtraGridLine;
         protected boolean showPaginateLine;
 
         protected double paperPaintSize;
@@ -332,11 +343,12 @@ public class GridUI extends ComponentUI {
 
         protected static final double THRESHOLD = 1.0E-4D;
 
-        DrawLineHelper(GridRange gridRange, boolean showGridLine,
+        DrawLineHelper(GridRange gridRange, boolean showGridLine, boolean showExtraGridLine,
                        boolean showPaginateLine, double paperPaintSize,
                        List paginateLineList, int resolution) {
             this.gridRange = gridRange;
             this.showGridLine = showGridLine;
+            this.showExtraGridLine = showExtraGridLine;
             this.showPaginateLine = showPaginateLine;
             this.paperPaintSize = paperPaintSize;
 
@@ -353,10 +365,10 @@ public class GridUI extends ComponentUI {
 
     private class DrawVerticalLineHelper extends DrawLineHelper {
 
-        DrawVerticalLineHelper(GridRange gridRange, boolean showGridLine,
+        DrawVerticalLineHelper(GridRange gridRange, boolean showGridLine, boolean discardExtraGridLine,
                                boolean showPaginateLine, double paperPaintSize,
                                List paginateLineList, int resolution) {
-            super(gridRange, showGridLine, showPaginateLine,
+            super(gridRange, showGridLine, discardExtraGridLine, showPaginateLine,
                     paperPaintSize, paginateLineList, resolution);
         }
 
@@ -372,7 +384,7 @@ public class GridUI extends ComponentUI {
 
         @Override
         protected void iterateStart2End(Graphics2D g2d) {
-            float rowHeight, paperYAxisSumSize = 0, yAxisSumSize = 0;
+            float rowHeight, paperYAxisSumSize = 0, maxXAxisSumSize = 0, yAxisSumSize = 0;
             for (int i = 0; i <= gridRange.yEndIndex; i++) {
                 if (i == 0) {
                     i = gridRange.yBeginIndex;
@@ -397,6 +409,9 @@ public class GridUI extends ComponentUI {
                         }
                         xAxisSumSize += columnWidth;
                     }
+                    if (xAxisSumSize > maxXAxisSumSize) {
+                        maxXAxisSumSize = xAxisSumSize;
+                    }
                 }
                 if (showPaginateLine && paperYAxisSumSize - paperPaintSize > THRESHOLD) {
                     paginateLineList.add(getPaginateLine2D((int) yAxisSumSize));
@@ -406,17 +421,21 @@ public class GridUI extends ComponentUI {
             }
             // paint 最后一个横线..
             if (showGridLine) {
-                drawLastLine(g2d, (int) yAxisSumSize);
+                if (showExtraGridLine) {
+                    drawLastLine(g2d, (int) yAxisSumSize);
+                } else {
+                    GraphHelper.drawLine(g2d, 0, yAxisSumSize, maxXAxisSumSize, yAxisSumSize);
+                }
             }
         }
     }
 
     private class DrawHorizontalLineHelper extends DrawLineHelper {
 
-        DrawHorizontalLineHelper(GridRange gridRange, boolean showGridLine,
+        DrawHorizontalLineHelper(GridRange gridRange, boolean showGridLine, boolean discardExtraGridLine,
                                  boolean showPaginateLine, double paperPaintSize,
                                  List paginateLineList, int resolution) {
-            super(gridRange, showGridLine, showPaginateLine,
+            super(gridRange, showGridLine, discardExtraGridLine, showPaginateLine,
                     paperPaintSize, paginateLineList, resolution);
         }
 
@@ -432,7 +451,7 @@ public class GridUI extends ComponentUI {
 
         @Override
         protected void iterateStart2End(Graphics2D g2d) {
-            float columnWidth, paperXAxisSumSize = 0, xAxisSumSize = 0;
+            float columnWidth, paperXAxisSumSize = 0, maxYAxisSumSize = 0, xAxisSumSize = 0;
             for (int i = 0; i <= gridRange.xEndIndex; i++) {
                 if (i == 0) {
                     i = gridRange.xBeginIndex;
@@ -456,6 +475,9 @@ public class GridUI extends ComponentUI {
                         }
                         yAxisSumSize += rowHeight;
                     }
+                    if (yAxisSumSize > maxYAxisSumSize) {
+                        maxYAxisSumSize = yAxisSumSize;
+                    }
                 }
                 if (showPaginateLine && paperXAxisSumSize - paperPaintSize > THRESHOLD) {
                     paginateLineList.add(getPaginateLine2D((int) xAxisSumSize));
@@ -465,7 +487,11 @@ public class GridUI extends ComponentUI {
             }
             // paint 最后一个横线..
             if (showGridLine) {
-                drawLastLine(g2d, (int) xAxisSumSize);
+                if (showExtraGridLine) {
+                    drawLastLine(g2d, (int) xAxisSumSize);
+                } else {
+                    GraphHelper.drawLine(g2d, xAxisSumSize, 0, xAxisSumSize, maxYAxisSumSize);
+                }
             }
         }
     }