IDEMPIERE-1789 remove grid border from workflow window

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/wf/WFNodeContainer.java

@@ -49,6 +49,7 @@ public class WFNodeContainer
 	private int currentRow = 1;
 	private int currentColumn = 0;
 	private int noOfColumns = 4;
+	private int maxColumn = 0;
 	private int rowCount = 0;
 
 	private WorkflowGraphScene graphScene = new WorkflowGraphScene();
@@ -146,6 +147,9 @@ public class WFNodeContainer
 		w.setRow(currentRow);
 
 		nodes[currentColumn - 1] = node.getAD_WF_Node_ID();
+		if (currentColumn > maxColumn) {
+			maxColumn = currentColumn;
+		}
 
 		if (currentRow < oldRow) {
 			currentRow = oldRow;
@@ -227,6 +231,10 @@ public class WFNodeContainer
 		return noOfColumns;
 	}
 
+	public int getMaxColumnWithNode() {
+		return maxColumn;
+	}
+
 	public GraphScene<Integer, MWFNodeNext> getGraphScene() {
 		return graphScene;
 	}

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/wf/WFPanel.java

@@ -187,14 +187,15 @@ public class WFPanel extends Borderlayout implements EventListener<Event>, IHelp
 
 		try {
 			int row = nodeContainer.getRowCount();
+			int maxCol = nodeContainer.getMaxColumnWithNode();
 			for(int i = 0; i < row; i++) {
 				Tr tr = new Tr();
 				table.appendChild(tr);
-				for(int c = 0; c < 4; c++) {
+				for(int c = 0; c < maxCol; c++) {
 					BufferedImage t = new BufferedImage(WFGraphLayout.COLUMN_WIDTH, WFGraphLayout.ROW_HEIGHT, BufferedImage.TYPE_INT_ARGB);
 					Graphics2D tg = t.createGraphics();
 					Td td = new Td();
-//					td.setStyle("border: 1px dotted lightgray");
+					td.setSclass("workflow-panel-table");
 					tr.appendChild(td);
 					
 					int x = c * WFGraphLayout.COLUMN_WIDTH;

org.adempiere.ui.zk/theme/default/css/theme.css.dsp

@@ -1764,6 +1764,10 @@ table.z-vbox > tbody > tr > td > table {
 .workflow-activity-form {
 }
 
+.workflow-panel-table {
+	border: 0px;
+}
+
 <%-- find window --%>
 .find-window {
 }