Fixed 'Tetris' calendar problem.

src/com/bradrydzewski/gwt/calendar/client/techview/DayViewGrid.java

@@ -0,0 +1,105 @@
+package com.bradrydzewski.gwt.calendar.client.techview;
+
+import com.bradrydzewski.gwt.calendar.client.HasSettings;
+import com.bradrydzewski.gwt.calendar.client.util.FormattingUtil;
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.ui.AbsolutePanel;
+import com.google.gwt.user.client.ui.ComplexPanel;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.SimplePanel;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * The DayGrid draws the grid that displays days / time intervals in the
+ * body of the calendar.
+ *
+ * @author Brad Rydzewski
+ */
+public class DayViewGrid /*Impl*/ extends Composite {
+
+    class Div extends ComplexPanel {
+
+        public Div() {
+            setElement(DOM.createDiv());
+        }
+
+        @Override
+        public boolean remove(Widget w) {
+            return super.remove(w);
+        }
+
+        @Override
+        public void add(Widget w) {
+            super.add(w, getElement());
+        }
+    }
+
+    protected AbsolutePanel grid = new AbsolutePanel();
+    protected SimplePanel gridOverlay = new SimplePanel();
+
+    private HasSettings settings = null;
+
+    private static final int HOURS_PER_DAY = 24;
+
+    public DayViewGrid(HasSettings settings) { //was DayViewGridImpl
+        initWidget(grid);
+        this.settings = settings;
+    }
+
+    public void build(int workingHourStart, int workingHourStop, int days) {
+
+        grid.clear();
+
+        int intervalsPerHour = settings.getSettings().getIntervalsPerHour(); //2; //30 minute intervals
+        float intervalSize = settings.getSettings().getPixelsPerInterval();
+
+        this.setHeight((intervalsPerHour * (intervalSize) * 24) + "px");
+
+        float dayWidth = 100f / days;
+        float dayLeft = 0f;
+
+        int dayStartsAt = settings.getSettings().getDayStartsAt();
+
+        for (int i = 0; i < HOURS_PER_DAY; i++) {
+            boolean isWorkingHours = ((i + dayStartsAt) >= workingHourStart && (i + dayStartsAt) <= workingHourStop);
+            //create major interval
+            SimplePanel sp1 = new SimplePanel();
+            sp1.setStyleName("major-time-interval");
+            sp1.setHeight(intervalSize + FormattingUtil.getBorderOffset() + "px");
+
+            //if working hours set
+            if (isWorkingHours) {
+                sp1.addStyleName("working-hours");
+            }
+
+            //add to body
+            grid.add(sp1);
+
+            for (int x = 0; x < intervalsPerHour - 1; x++) {
+                SimplePanel sp2 = new SimplePanel();
+                sp2.setStyleName("minor-time-interval");
+
+                sp2.setHeight(intervalSize + FormattingUtil.getBorderOffset() + "px");
+                if (isWorkingHours) {
+                    sp2.addStyleName("working-hours");
+                }
+                grid.add(sp2);
+            }
+        }
+
+        for (int day = 0; day < days; day++) {
+            dayLeft = dayWidth * day;
+            SimplePanel dayPanel = new SimplePanel();
+            dayPanel.setStyleName("day-separator");
+            grid.add(dayPanel);
+            DOM.setStyleAttribute(dayPanel.getElement(), "left", dayLeft + "%");
+        }
+
+        gridOverlay.setHeight("100%");
+        gridOverlay.setWidth("100%");
+        DOM.setStyleAttribute(gridOverlay.getElement(), "position", "absolute");
+        DOM.setStyleAttribute(gridOverlay.getElement(), "left", "0px");
+        DOM.setStyleAttribute(gridOverlay.getElement(), "top", "0px");
+        grid.add(gridOverlay);
+    }
+}