126 {
127 LocalDate date = datePicker.getValue();
128 displayedYearMonth.set((date != null) ? YearMonth.from(date) : YearMonth.now());
129 }
130
131 displayedYearMonth.addListener((observable, oldValue, newValue) -> {
132 updateValues();
133 });
134
135
136 getChildren().add(createMonthYearPane());
137
138 gridPane = new GridPane() {
139 @Override protected double computePrefWidth(double height) {
140 final double width = super.computePrefWidth(height);
141
142 // RT-30903: Make sure width snaps to pixel when divided by
143 // number of columns. GridPane doesn't do this with percentage
144 // width constraints. See GridPane.adjustColumnWidths().
145 final int nCols = daysPerWeek + (datePicker.isShowWeekNumbers() ? 1 : 0);
146 final double snaphgap = snapSpace(getHgap());
147 final double left = snapSpace(getInsets().getLeft());
148 final double right = snapSpace(getInsets().getRight());
149 final double hgaps = snaphgap * (nCols - 1);
150 final double contentWidth = width - left - right - hgaps;
151 return ((snapSize(contentWidth / nCols)) * nCols) + left + right + hgaps;
152 }
153
154 @Override protected void layoutChildren() {
155 // Prevent AssertionError in GridPane
156 if (getWidth() > 0 && getHeight() > 0) {
157 super.layoutChildren();
158 }
159 }
160 };
161 gridPane.setFocusTraversable(true);
162 gridPane.getStyleClass().add("calendar-grid");
163 gridPane.setVgap(-1);
164 gridPane.setHgap(-1);
165
166 // Add a focus owner listener to Scene when it becomes available.
167 final WeakChangeListener<Node> weakFocusOwnerListener =
168 new WeakChangeListener<Node>((ov2, oldFocusOwner, newFocusOwner) -> {
169 if (newFocusOwner == gridPane) {
170 if (oldFocusOwner instanceof DateCell) {
171 // Backwards traversal, skip gridPane.
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126 {
127 LocalDate date = datePicker.getValue();
128 displayedYearMonth.set((date != null) ? YearMonth.from(date) : YearMonth.now());
129 }
130
131 displayedYearMonth.addListener((observable, oldValue, newValue) -> {
132 updateValues();
133 });
134
135
136 getChildren().add(createMonthYearPane());
137
138 gridPane = new GridPane() {
139 @Override protected double computePrefWidth(double height) {
140 final double width = super.computePrefWidth(height);
141
142 // RT-30903: Make sure width snaps to pixel when divided by
143 // number of columns. GridPane doesn't do this with percentage
144 // width constraints. See GridPane.adjustColumnWidths().
145 final int nCols = daysPerWeek + (datePicker.isShowWeekNumbers() ? 1 : 0);
146 final double snaphgap = snapSpaceX(getHgap());
147 final double left = snapSpaceX(getInsets().getLeft());
148 final double right = snapSpaceX(getInsets().getRight());
149 final double hgaps = snaphgap * (nCols - 1);
150 final double contentWidth = width - left - right - hgaps;
151 return ((snapSizeX(contentWidth / nCols)) * nCols) + left + right + hgaps;
152 }
153
154 @Override protected void layoutChildren() {
155 // Prevent AssertionError in GridPane
156 if (getWidth() > 0 && getHeight() > 0) {
157 super.layoutChildren();
158 }
159 }
160 };
161 gridPane.setFocusTraversable(true);
162 gridPane.getStyleClass().add("calendar-grid");
163 gridPane.setVgap(-1);
164 gridPane.setHgap(-1);
165
166 // Add a focus owner listener to Scene when it becomes available.
167 final WeakChangeListener<Node> weakFocusOwnerListener =
168 new WeakChangeListener<Node>((ov2, oldFocusOwner, newFocusOwner) -> {
169 if (newFocusOwner == gridPane) {
170 if (oldFocusOwner instanceof DateCell) {
171 // Backwards traversal, skip gridPane.
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