| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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 elemental.js.util; |
| |
| import com.google.gwt.core.client.JavaScriptObject; |
| |
| import elemental.util.ArrayOf; |
| import elemental.util.CanCompare; |
| |
| /** |
| * JavaScript native implementation of {@link ArrayOf}. |
| */ |
| public final class JsArrayOf<T> extends JavaScriptObject implements ArrayOf<T> { |
| |
| /** |
| * Create a new empty Array instance. |
| */ |
| public static <T> JsArrayOf<T> create() { |
| return JavaScriptObject.createArray().cast(); |
| } |
| |
| static native boolean isEmpty(JavaScriptObject array) /*-{ |
| return !array.length; |
| }-*/; |
| |
| static native <T extends JavaScriptObject> T splice(JavaScriptObject array, int index, int count) /*-{ |
| return array.splice(index, count); |
| }-*/; |
| |
| protected JsArrayOf() { |
| } |
| |
| public native JsArrayOf<T> concat(ArrayOf<T> values) /*-{ |
| return this.concat(values); |
| }-*/; |
| |
| public boolean contains(T value) { |
| return indexOf(value) != -1; |
| } |
| |
| public native T get(int index) /*-{ |
| return this[index]; |
| }-*/; |
| |
| public native int indexOf(T value) /*-{ |
| return this.indexOf(value); |
| }-*/; |
| |
| public native void insert(int index, T value) /*-{ |
| this.splice(index, 0, value); |
| }-*/; |
| |
| public boolean isEmpty() { |
| return isEmpty(this); |
| } |
| |
| /** |
| * Convert each element of the array to a String and join them with a comma |
| * separator. The value returned from this method may vary between browsers |
| * based on how JavaScript values are converted into strings. |
| */ |
| public String join() { |
| // As per JS spec |
| return join(","); |
| } |
| |
| public native String join(String separator) /*-{ |
| return this.join(separator); |
| }-*/; |
| |
| public native int length() /*-{ |
| return this.length; |
| }-*/; |
| |
| public native T peek() /*-{ |
| return this[this.length - 1]; |
| }-*/; |
| |
| public native T pop() /*-{ |
| return this.pop(); |
| }-*/; |
| |
| /** |
| * Pushes the given value onto the end of the array. |
| */ |
| public native void push(T value) /*-{ |
| this[this.length] = value; |
| }-*/; |
| |
| public void remove(T value) { |
| final int index = indexOf(value); |
| if (index != -1) { |
| splice(index, 1); |
| } |
| } |
| |
| public void removeByIndex(int index) { |
| splice(index, 1); |
| } |
| |
| public native void set(int index, T value) /*-{ |
| this[index] = value; |
| }-*/; |
| |
| public native void setLength(int newLength) /*-{ |
| this.length = newLength; |
| }-*/; |
| |
| public native T shift() /*-{ |
| return this.shift(); |
| }-*/; |
| |
| public native void sort(CanCompare<T> comparator) /*-{ |
| this.sort(function(a, b) { |
| return comparator.@elemental.util.CanCompare::compare(Ljava/lang/Object;Ljava/lang/Object;)(a, b); |
| }); |
| }-*/; |
| |
| public JsArrayOf<T> splice(int index, int count) { |
| return splice(this, index, count); |
| } |
| |
| public native void unshift(T value) /*-{ |
| this.unshift(value); |
| }-*/; |
| } |