Java tutorial
/* Copyright (c) 2014 Ahom Innovation Technologies. 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 com.ait.toolkit.sencha.touch.client.ui; import com.ait.toolkit.sencha.shared.client.core.XType; import com.ait.toolkit.sencha.touch.client.core.config.SliderConfig; import com.ait.toolkit.sencha.touch.client.events.slider.DragEndHandler; import com.ait.toolkit.sencha.touch.client.events.slider.DragHandler; import com.ait.toolkit.sencha.touch.client.events.slider.DragStartHandler; import com.ait.toolkit.sencha.touch.client.events.slider.SliderChangeHandler; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.core.client.JsArrayInteger; import com.google.gwt.core.client.JsArrayString; import com.google.gwt.editor.client.IsEditor; import com.google.gwt.editor.client.LeafValueEditor; import com.google.gwt.editor.client.adapters.TakesValueEditor; import com.google.gwt.event.logical.shared.ValueChangeHandler; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.user.client.ui.HasValue; /** * The slider is a way to allow the user to select a value from a given numerical range. You might use it for choosing a percentage, combine two of them to get min and max values, * or use three of them to specify the hex values for a color. Each slider contains a single 'thumb' that can be dragged along the slider's length to change the value. Sliders are * equally useful inside forms and standalone. */ public class Slider extends Field implements HasValue<Integer>, IsEditor<LeafValueEditor<Integer>> { private LeafValueEditor<Integer> editor; @Override protected native void init()/*-{ var c = new $wnd.Ext.field.Slider(); this.@com.ait.toolkit.sencha.touch.client.core.Component::configPrototype = c.initialConfig; }-*/; @Override public String getXType() { return XType.SLIDER_FIELD.getValue(); } protected native JavaScriptObject create(JavaScriptObject config) /*-{ return new $wnd.Ext.field.Slider(config); }-*/; public Slider(SliderConfig sliderConfig) { super(sliderConfig.getJsObj()); } public Slider() { } protected Slider(JavaScriptObject jso) { super(jso); } /** * Returns the value of increment. * * @return */ public native int getIncrement() /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { return field.getIncrement(); } }-*/; /** * Returns the value of maxValue. * * @return */ public native int getMaxValue() /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { return field.getMaxValue(); } }-*/; /** * Returns the value of minValue. * * @return */ public native int getMinValue() /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { return field.getMinValue(); } }-*/; /** * Returns the value of value. * * @param <T> * Number/String/Number[]/String[] * @return */ public native int getSliderValue() /*-{ var value = 0; var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { value = field.getValue() var type = typeof value; switch (type) { case 'number': { return value; } } value = field.getValue()[0]; if (value == undefined) { value = 0; } return value; } }-*/; /** * Sets the value of increment. * * @param value */ public native void setIncrement(int value) /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { field.setIncrement(value); } }-*/; /** * Sets the value of maxValue. * * @param value */ public native void setMaxValue(int value) /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { field.setMaxValue(value); } }-*/; /** * Sets the value of minValue. * * @param value */ public native void setMinValue(int value) /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { field.setMinValue(value); } }-*/; /** * Sets the value of value. * * @param value */ public native void setSliderValue(int value) /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { field.setValue(value); } }-*/; /** * Sets the value of value. * * @param value */ public void setSliderValues(String[] value) { JsArrayString values = JavaScriptObject.createArray().cast(); for (int i = 0; i < value.length; i++) { values.set(i, value[i]); } setSliderValues(values); } /** * Sets the value of value. * * @param value */ public void setSliderValues(int[] value) { JsArrayInteger values = JavaScriptObject.createArray().cast(); for (int i = 0; i < value.length; i++) { values.set(i, value[i]); } setSliderValues(values); } public native HandlerRegistration addSliderChangeHandler(SliderChangeHandler handler)/*-{ var component = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); var fn = function(s, sl, t, n, o) { var comp = @com.ait.toolkit.sencha.touch.client.ui.Slider::new(Lcom/google/gwt/core/client/JavaScriptObject;)(s); var event = @com.ait.toolkit.sencha.touch.client.events.slider.SliderChangeEvent::new(Lcom/ait/toolkit/sencha/touch/client/ui/Slider;II)(comp,n,o); handler.@com.ait.toolkit.sencha.touch.client.events.slider.SliderChangeHandler::onSliderChange(Lcom/ait/toolkit/sencha/touch/client/events/slider/SliderChangeEvent;)(event); }; var eventName = @com.ait.toolkit.sencha.touch.client.events.slider.SliderChangeEvent::EVENT_NAME; component.addListener(eventName, fn); var toReturn = @com.ait.toolkit.sencha.touch.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/touch/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn); return toReturn; }-*/; public native HandlerRegistration addDragHandler(DragHandler handler)/*-{ var component = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); var fn = function(s, sl, t, e) { var comp = @com.ait.toolkit.sencha.touch.client.ui.Slider::new(Lcom/google/gwt/core/client/JavaScriptObject;)(s); var event = @com.ait.toolkit.sencha.touch.client.events.slider.DragEvent::new(Lcom/ait/toolkit/sencha/touch/client/ui/Slider;Lcom/google/gwt/core/client/JavaScriptObject;)(comp,e); handler.@com.ait.toolkit.sencha.touch.client.events.slider.DragHandler::onDrag(Lcom/ait/toolkit/sencha/touch/client/events/slider/DragEvent;)(event); }; var eventName = @com.ait.toolkit.sencha.touch.client.events.slider.DragEvent::EVENT_NAME; component.addListener(eventName, fn); var toReturn = @com.ait.toolkit.sencha.touch.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/touch/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn); return toReturn; }-*/; public native HandlerRegistration addDragEndHandler(DragEndHandler handler)/*-{ var component = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); var fn = function(s, sl, t, v, e) { var comp = @com.ait.toolkit.sencha.touch.client.ui.Slider::new(Lcom/google/gwt/core/client/JavaScriptObject;)(s); var event = @com.ait.toolkit.sencha.touch.client.events.slider.DragEndEvent::new(Lcom/ait/toolkit/sencha/touch/client/ui/Slider;ILcom/google/gwt/core/client/JavaScriptObject;)(comp,v,e); handler.@com.ait.toolkit.sencha.touch.client.events.slider.DragEndHandler::onDragEnd(Lcom/ait/toolkit/sencha/touch/client/events/slider/DragEndEvent;)(event); }; var eventName = @com.ait.toolkit.sencha.touch.client.events.slider.DragEndEvent::EVENT_NAME; component.addListener(eventName, fn); var toReturn = @com.ait.toolkit.sencha.touch.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/touch/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn); return toReturn; }-*/; public native HandlerRegistration addDragStartHandler(DragStartHandler handler)/*-{ var component = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); var fn = function(s, sl, t, v, e) { var comp = @com.ait.toolkit.sencha.touch.client.ui.Slider::new(Lcom/google/gwt/core/client/JavaScriptObject;)(s); var event = @com.ait.toolkit.sencha.touch.client.events.slider.DragStartEvent::new(Lcom/ait/toolkit/sencha/touch/client/ui/Slider;ILcom/google/gwt/core/client/JavaScriptObject;)(comp,v,e); handler.@com.ait.toolkit.sencha.touch.client.events.slider.DragStartHandler::onDragStart(Lcom/ait/toolkit/sencha/touch/client/events/slider/DragStartEvent;)(event); }; var eventName = @com.ait.toolkit.sencha.touch.client.events.slider.DragStartEvent::EVENT_NAME; component.addListener(eventName, fn); var toReturn = @com.ait.toolkit.sencha.touch.client.events.HandlerRegistration::new(Lcom/ait/toolkit/sencha/touch/client/core/Component;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(this,eventName,fn); return toReturn; }-*/; private native void setSliderValues(JsArrayInteger values) /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { field.setValue(values); } }-*/; private native void setSliderValues(JsArrayString values) /*-{ var field = this.@com.ait.toolkit.sencha.touch.client.core.Component::getOrCreateJsObj()(); if (field != null) { field.setValue(values); } }-*/; @Override public HandlerRegistration addValueChangeHandler(ValueChangeHandler<Integer> handler) { // TODO Auto-generated method stub return null; } @Override public LeafValueEditor<Integer> asEditor() { if (editor == null) { editor = TakesValueEditor.of(this); } return editor; } @Override public Integer getValue() { return getSliderValue(); } @Override public void setValue(Integer value) { setSliderValue(value); } @Override public void setValue(Integer value, boolean fireEvents) { setSliderValue(value); } }