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org.dominokit.domino.ui.sliders.Slider Maven / Gradle / Ivy
package org.dominokit.domino.ui.sliders;
import elemental2.dom.*;
import org.dominokit.domino.ui.grid.flex.FlexItem;
import org.dominokit.domino.ui.grid.flex.FlexLayout;
import org.dominokit.domino.ui.style.Color;
import org.dominokit.domino.ui.themes.Theme;
import org.dominokit.domino.ui.utils.BaseDominoElement;
import org.dominokit.domino.ui.utils.DominoElement;
import org.dominokit.domino.ui.utils.HasChangeHandlers;
import org.jboss.elemento.IsElement;
import java.util.ArrayList;
import java.util.List;
import static java.util.Objects.nonNull;
import static org.jboss.elemento.Elements.input;
import static org.jboss.elemento.Elements.*;
import static org.jboss.elemento.EventType.input;
import static org.jboss.elemento.EventType.*;
public class Slider extends BaseDominoElement implements HasChangeHandlers {
private DominoElement sliderContainer = DominoElement.of(p().css(SliderStyles.slide_container));
private DominoElement slider = DominoElement.of(input("range").css(SliderStyles.slider));
private DominoElement thumb = DominoElement.of(span().css(SliderStyles.thumb));
private FlexItem leftAddonContainer = FlexItem.create();
private FlexItem rightAddonContainer = FlexItem.create();
private DominoElement thumbValue = DominoElement.of(span().css("value"));
private List> changeHandlers = new ArrayList<>();
private List slideHandlers = new ArrayList<>();
private boolean mouseDown;
private boolean withThumb;
private Color backgroundColor;
private Color thumbColor;
private Element leftAddon;
private Element rightAddon;
public static Slider create(double max) {
return create(max, 0, 0);
}
public static Slider create(double max, double min) {
return create(max, min, 0);
}
public static Slider create(double max, double min, double value) {
return new Slider(max, min, value);
}
public Slider(double max, double min, double value) {
sliderContainer.appendChild(FlexLayout.create()
.appendChild(leftAddonContainer
.hide()
.setHeight("100%")
.styler(style1 -> style1.setWidth("28px")
.setTextAlign("center")
.setMarginLeft("5px")
.setMarginRight("5px"))
)
.appendChild(FlexItem.create()
.setFlexGrow(1)
.appendChild(slider)
.appendChild(thumb)
)
.appendChild(rightAddonContainer
.hide()
.styler(style1 -> style1.setWidth("28px")
.setTextAlign("center")
.setMarginLeft("5px")
.setMarginRight("5px"))
.setHeight("100%")
)
);
thumb.appendChild(thumbValue);
setMaxValue(max);
setMinValue(min);
setValue(value);
EventListener downEvent = mouseDownEvent -> {
slider.style().add(SliderStyles.active);
this.mouseDown = true;
if (withThumb) {
showThumb();
evaluateThumbPosition();
}
};
EventListener moveMouseListener = mouseMoveEvent -> {
if (mouseDown) {
if (withThumb) {
evaluateThumbPosition();
updateThumbValue();
}
slideHandlers.forEach(slideHandler -> slideHandler.onSlide(getValue()));
}
};
EventListener leaveMouseListener = evt -> hideThumb();
EventListener upEvent = mouseUpEvent -> {
mouseDown = false;
slider.style().remove(SliderStyles.active);
hideThumb();
};
slider.addEventListener(change.getName(), evt -> callChangeHandlers());
slider.addEventListener(mousedown.getName(), downEvent);
slider.addEventListener(touchstart.getName(), downEvent);
slider.addEventListener(mousemove.getName(), moveMouseListener);
slider.addEventListener(touchmove.getName(), moveMouseListener);
slider.addEventListener(input.getName(), moveMouseListener);
slider.addEventListener(mouseup.getName(), upEvent);
slider.addEventListener(touchend.getName(), upEvent);
slider.addEventListener(mouseout.getName(), leaveMouseListener);
slider.addEventListener(blur.getName(), leaveMouseListener);
setThumbColor(Theme.currentTheme.getScheme().color());
init(this);
}
private double calculateRangeOffset() {
int width = slider.element().offsetWidth - 15;
double percent = (getValue() - getMin()) / (getMax() - getMin());
double rangeOffset = percent * width;
if (!leftAddonContainer.isHidden()) {
rangeOffset += leftAddonContainer.element().offsetWidth + 9;
}
return rangeOffset;
}
private void callChangeHandlers() {
changeHandlers.forEach(changeHandler -> changeHandler.onValueChanged(getValue()));
}
private void updateThumbValue() {
if (withThumb) {
thumbValue.setTextContent(getValue() + "");
}
}
private void showThumb() {
thumb.style().add(SliderStyles.active);
updateThumbValue();
}
private void hideThumb() {
thumb.style().remove(SliderStyles.active);
}
private void evaluateThumbPosition() {
if (mouseDown) {
thumb.style().setLeft(calculateRangeOffset() + "px");
}
}
public Slider setMaxValue(double max) {
slider.element().max = max + "";
return this;
}
public Slider setMinValue(double min) {
slider.element().min = min + "";
return this;
}
public Slider setValue(double newValue, boolean silent) {
slider.element().value = newValue + "";
updateThumbValue();
if (!silent) {
callChangeHandlers();
}
return this;
}
public Slider setValue(double newValue) {
return setValue(newValue, false);
}
public Slider setStep(double step) {
slider.element().step = step + "";
return this;
}
public Slider anyStep() {
slider.element().step = "any";
return this;
}
public double getMax() {
return Double.parseDouble(slider.element().max);
}
public double getMin() {
return Double.parseDouble(slider.element().min);
}
public double getValue() {
return slider.element().valueAsNumber;
}
public Slider withThumb() {
setWithThumb(true);
return this;
}
public Slider withoutThumb() {
setWithThumb(false);
return this;
}
public Slider setWithThumb(boolean withThumb) {
this.withThumb = withThumb;
return this;
}
@Override
public HTMLParagraphElement element() {
return sliderContainer.element();
}
@Override
public Slider addChangeHandler(ChangeHandler changeHandler) {
changeHandlers.add(changeHandler);
return this;
}
@Override
public Slider removeChangeHandler(ChangeHandler changeHandler) {
changeHandlers.remove(changeHandler);
return this;
}
@Override
public boolean hasChangeHandler(ChangeHandler changeHandler) {
return changeHandlers.contains(changeHandler);
}
public Slider addSlideHandler(SlideHandler slideHandler) {
slideHandlers.add(slideHandler);
return this;
}
public Slider removeSlideHandler(SlideHandler slideHandler) {
slideHandlers.remove(slideHandler);
return this;
}
public Slider setBackgroundColor(Color backgroundColor) {
if (nonNull(this.backgroundColor)) {
slider.style().remove("slider-" + this.backgroundColor.getBackground());
}
slider.style().add("slider-" + backgroundColor.getBackground());
this.backgroundColor = backgroundColor;
return this;
}
public Slider setThumbColor(Color thumbColor) {
if (nonNull(this.thumbColor)) {
slider.style().remove("thumb-" + this.thumbColor.getBackground());
thumb.style().remove(this.thumbColor.getBackground());
}
slider.style().add("thumb-" + thumbColor.getBackground());
thumb.style().add(thumbColor.getBackground());
this.thumbColor = thumbColor;
return this;
}
public Slider setLeftAddon(IsElement leftAddon) {
return setLeftAddon(leftAddon.element());
}
public Slider setLeftAddon(Element leftAddon) {
leftAddonContainer.show();
setAddon(leftAddonContainer.element(), this.leftAddon, leftAddon);
this.leftAddon = leftAddon;
return this;
}
public Slider setRightAddon(IsElement rightAddon) {
return setRightAddon(rightAddon.element());
}
public Slider setRightAddon(Element rightAddon) {
rightAddonContainer.show();
setAddon(rightAddonContainer.element(), this.rightAddon, rightAddon);
this.rightAddon = rightAddon;
return this;
}
public Slider removeRightAddon() {
if (nonNull(rightAddon)) {
rightAddon.remove();
rightAddonContainer.hide();
}
return this;
}
public Slider removeLeftAddon() {
if (nonNull(leftAddon)) {
leftAddon.remove();
leftAddonContainer.hide();
}
return this;
}
private void setAddon(HTMLElement container, Element oldAddon, Element addon) {
if (nonNull(oldAddon)) {
oldAddon.remove();
}
if (nonNull(addon)) {
List oldClasses = new ArrayList<>(addon.classList.asList());
for (String oldClass : oldClasses) {
addon.classList.remove(oldClass);
}
for (String oldClass : oldClasses) {
addon.classList.add(oldClass);
}
container.appendChild(addon);
}
}
@FunctionalInterface
public interface SlideHandler {
void onSlide(double value);
}
}
