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/************************************************************************
*
* Copyright (C) 2010 - 2012
*
* [JACPToolBar.java]
* JACPFX Project (https://github.com/JacpFX/JacpFX/)
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS IS"
* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*
*
************************************************************************/
package org.jacpfx.rcp.components.toolBar;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Dimension2D;
import javafx.geometry.Point2D;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.control.Button;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import org.jacpfx.api.component.ui.Hideable;
import org.jacpfx.api.component.ui.HideableComponent;
import org.jacpfx.rcp.common.ColorDefinitions;
import org.jacpfx.rcp.componentLayout.FXComponentLayout;
import org.jacpfx.rcp.util.CSSUtil;
import org.jacpfx.rcp.util.LayoutUtil;
import org.jacpfx.rcp.workbench.GlobalMediator;
import org.jacpfx.rcp.workbench.SceneUtil;
import static org.jacpfx.rcp.components.toolBar.JACPOptionButtonOrientation.BOTTOM;
import static org.jacpfx.rcp.util.CSSUtil.CSSClassConstants.*;
/**
* The Class JACPOptionButton.
*
* A simple button, with some more parent. The button holds no message, except displaying the child parent.
*
* @author Patrick Symmangk
*/
public class JACPHoverMenu extends Button implements Hideable {
// constants
private static final double NO_PADDING = 0.0;
private static final double ARROW_WIDTH = 10.0;
private static final double ARROW_HEIGHT = 5.0;
private static final Dimension2D ARROW_CENTER = new Dimension2D(ARROW_WIDTH / 2, ARROW_HEIGHT / 2);
private final Pane parent = new Pane();
private Pane glassPane;
private Pane arrow;
// used for TOP and BOTTOM
private VBox verticalHoverMenu = new HideableVBox(this);
// used for LEFT and RIGHT
private HBox horizontalHoverMenu = new HideableHBox(this);
private Point2D translate;
private JACPOptionButtonOrientation orientation;
// properties
private SimpleDoubleProperty padding = new SimpleDoubleProperty();
private SimpleDoubleProperty buttonXLocation = new SimpleDoubleProperty();
private SimpleDoubleProperty buttonYLocation = new SimpleDoubleProperty();
/**
* Constructor without {@link org.jacpfx.rcp.components.toolBar.JACPOptionButtonOrientation} option.
* The default orientation will be BOTTOM.
*
* @param label - the label to show
* @param layout - the {@link org.jacpfx.rcp.componentLayout.FXComponentLayout} to use
*/
public JACPHoverMenu(final String label, final FXComponentLayout layout) {
this(label, layout, BOTTOM);
}
/**
* Constructor with {@link org.jacpfx.rcp.components.toolBar.JACPOptionButtonOrientation} option.
*
* @param label - the label to show
* @param layout - the {@link org.jacpfx.rcp.componentLayout.FXComponentLayout} to use
* @param orientation - the {@link org.jacpfx.rcp.components.toolBar.JACPOptionButtonOrientation} option, depending on the Orientation of the {@link org.jacpfx.rcp.components.toolBar.JACPToolBar}. [LEFT, TOP, RIGHT, BOTTOM]
*/
public JACPHoverMenu(final String label, final FXComponentLayout layout, final JACPOptionButtonOrientation orientation) {
super(label);
this.glassPane = layout.getGlassPane();
this.orientation = orientation;
this.initComponent();
GlobalMediator.getInstance().registerHideAble(this);
}
private void initComponent() {
this.initParent();
this.initLayout();
this.initStyles();
}
private void initStyles() {
CSSUtil.addCSSClass(CLASS_HOVER_MENU_BUTTON, this);
CSSUtil.addCSSClass(CLASS_HOVER_MENU_PANE, this.parent);
}
public Pane getContentPane() {
return this.parent;
}
private void initParent() {
CSSUtil.addCSSClass(CLASS_JACP_OPTION_PANE_PARENT, this.parent);
this.parent.setMaxHeight(Integer.MAX_VALUE);
this.parent.setMaxWidth(Integer.MAX_VALUE);
}
private void initArrow() {
this.arrow = new Pane();
switch (this.orientation) {
case TOP:
case BOTTOM:
this.arrow.setMinHeight(ARROW_HEIGHT);
this.arrow.setMaxWidth(ARROW_WIDTH);
break;
case LEFT:
case RIGHT:
this.arrow.setMinHeight(ARROW_WIDTH);
this.arrow.setMaxHeight(ARROW_WIDTH);
this.arrow.setMinWidth(ARROW_HEIGHT);
this.arrow.setMaxWidth(ARROW_HEIGHT);
break;
}
}
private void initHoverMenu() {
this.verticalHoverMenu.setAlignment(Pos.CENTER);
this.verticalHoverMenu.setVisible(false);
this.horizontalHoverMenu.setVisible(false);
CSSUtil.setBackgroundColor(parent, ColorDefinitions.HEX_MID_GRAY);
}
/**
* ******************
* VERTICAL MENU *
* *******************
*/
private void initVerticalLayout() {
this.verticalHoverMenu.boundsInLocalProperty().addListener(new RealignListener<>(this.orientation));
switch (this.orientation) {
case TOP:
CSSUtil.addCSSClass(CLASS_HOVER_MENU_BTM_ARROW, arrow);
this.verticalHoverMenu.getChildren().setAll(this.parent, this.arrow);
// since the menu is on top we have to check the height, too!
this.verticalHoverMenu.heightProperty().addListener((observableValue, number, number2) -> {
// get location of the optionbutton - top left corner
this.translate = localToScene(getBoundsInLocal().getMinX(), getBoundsInLocal().getMinY());
// menu will be cut at this.e left
this.buttonYLocation.set(this.translate.getY() - (this.verticalHoverMenu.getHeight()));
});
break;
case BOTTOM:
CSSUtil.addCSSClass(CLASS_HOVER_MENU_TOP_ARROW, this.arrow);
this.verticalHoverMenu.getChildren().setAll(this.arrow, this.parent);
break;
}
}
private void realignVerticalMenu() {
// get padding to center hovermenu
double fullPadding = (getWidth() - this.verticalHoverMenu.getWidth());
this.padding.set(fullPadding / 2);
switch (orientation) {
case TOP:
this.translate = localToScene(getBoundsInLocal().getMinX(), getBoundsInLocal().getMinY() - this.verticalHoverMenu.getHeight());
break;
case BOTTOM:
this.translate = localToScene(getBoundsInLocal().getMinX(), getBoundsInLocal().getMaxY());
break;
}
// get location of the optionbutton - buttom left corner
// menu will be cut at the left
if (this.translate.getX() + this.padding.get() < 0) {
// hovermenu alignes with the optionbutton on the left hand side
this.arrow.setTranslateX(this.padding.get());
this.padding.set(NO_PADDING);
}
if (this.translate.getX() + this.padding.get() + this.verticalHoverMenu.getWidth() > SceneUtil.getScene().getWidth()) {
this.arrow.setTranslateX(getHalfWidth());
this.padding.set(fullPadding);
}
this.buttonXLocation.set(this.translate.getX());
this.buttonYLocation.set(this.translate.getY());
}
// =================== HORIZONTAL MENU ===================
private void initHorizontalLayout() {
this.horizontalHoverMenu.boundsInLocalProperty().addListener(new RealignListener<>(orientation));
switch (this.orientation) {
case LEFT:
CSSUtil.addCSSClass(CLASS_HOVER_MENU_RGT_ARROW, arrow);
this.horizontalHoverMenu.getChildren().setAll(parent, arrow);
break;
case RIGHT:
CSSUtil.addCSSClass(CLASS_HOVER_MENU_LFT_ARROW, arrow);
this.horizontalHoverMenu.getChildren().setAll(arrow, parent);
break;
}
}
private void realignHorizontalMenu() {
switch (this.orientation) {
case LEFT:
this.translate = localToScene(getBoundsInLocal().getMinX() - this.horizontalHoverMenu.getWidth(), getBoundsInLocal().getMinY());
break;
case RIGHT:
this.translate = localToScene(getBoundsInLocal().getMaxX(), getBoundsInLocal().getMinY());
break;
}
// not enough space to the top... menu aligns with top of the button
if (this.translate.getY() + this.padding.get() < 0) {
// hovermenu alignes with the optionbutton on the top
this.arrow.setTranslateY(this.padding.get());
// clear padding
this.padding.set(NO_PADDING);
} else {
this.arrow.setTranslateY(getHalfHeight() - ARROW_CENTER.getWidth());
}
// not enough space to the bottom --> menu aligns with bottom of the button
if (this.translate.getY() + this.horizontalHoverMenu.getHeight() > SceneUtil.getScene().getHeight()) {
this.arrow.setTranslateY(this.horizontalHoverMenu.getHeight() - getHalfHeight());
this.padding.set(-this.horizontalHoverMenu.getHeight() + getHeight());
}
this.buttonXLocation.set(this.translate.getX());
this.buttonYLocation.set(this.translate.getY());
}
private void initLayout() {
// check for changes
this.localToSceneTransformProperty().addListener(new RealignListener<>(this.orientation));
this.glassPane.visibleProperty().addListener(new RealignListener<>(this.orientation));
initArrow();
initHoverMenu();
switch (this.orientation) {
case TOP:
case BOTTOM:
initVerticalLayout();
initAction(this.verticalHoverMenu);
break;
case LEFT:
case RIGHT:
initHorizontalLayout();
initAction(this.horizontalHoverMenu);
break;
}
}
private void initAction(final Node node) {
this.setOnAction((actionEvent) -> {
node.setVisible(!node.isVisible());
// if another option is shown, hide everything before switching to the current content
if (!this.glassPane.getChildren().contains(node)) {
LayoutUtil.hideAllChildren(this.glassPane);
}
// adjust hovermenu
this.glassPane.getChildren().setAll(node);
this.glassPane.setMaxWidth(this.parent.getWidth());
this.glassPane.setMaxHeight(this.parent.getHeight());
StackPane.setAlignment(this.glassPane, Pos.TOP_LEFT);
switch (this.orientation) {
case LEFT:
case RIGHT:
this.glassPane.translateXProperty().bind(this.buttonXLocation);
this.glassPane.translateYProperty().bind(this.buttonYLocation.add(this.padding));
break;
case TOP:
case BOTTOM:
this.glassPane.translateXProperty().bind(this.buttonXLocation.add(this.padding));
this.glassPane.translateYProperty().bind(this.buttonYLocation);
break;
}
// show everything
glassPane.setVisible(node.isVisible());
});
}
/**
* Hides the menu.
*/
public void hideOptions() {
this.glassPane.setVisible(false);
this.verticalHoverMenu.setVisible(false);
this.horizontalHoverMenu.setVisible(false);
}
private double getHalfWidth() {
return getWidth() / 2;
}
private double getHalfHeight() {
return getHeight() / 2;
}
@Override
public void hide() {
this.hideOptions();
}
private class RealignListener implements ChangeListener {
private JACPOptionButtonOrientation orientation;
private RealignListener(final JACPOptionButtonOrientation orientation) {
super();
this.orientation = orientation;
}
@Override
public void changed(ObservableValue observableValue, T t, T t2) {
switch (this.orientation) {
case TOP:
case BOTTOM:
realignVerticalMenu();
break;
case LEFT:
case RIGHT:
realignHorizontalMenu();
break;
}
}
}
private class HideableHBox extends HBox implements HideableComponent {
private Hideable hideableParent;
private HideableHBox(final Hideable hideableParent) {
super();
this.hideableParent = hideableParent;
}
public Hideable getHideableParent() {
return hideableParent;
}
}
private class HideableVBox extends VBox implements HideableComponent {
private Hideable hideableParent;
private HideableVBox(final Hideable hideableParent) {
super();
this.hideableParent = hideableParent;
}
public Hideable getHideableParent() {
return hideableParent;
}
}
}
