WIP - PinchJs implementation

Author: kevzlou7979

src/main/java/gwt/material/design/addins/client/pinch/PinchClientBundle.java

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+package gwt.material.design.addins.client.pinch;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.TextResource;
+
+public interface PinchClientBundle extends ClientBundle {
+
+    PinchClientBundle INSTANCE = GWT.create(PinchClientBundle.class);
+
+    @Source("resources/js/pinch.min.js")
+    TextResource pinchJs();
+}

src/main/java/gwt/material/design/addins/client/pinch/PinchDebugClientBundle.java

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+package gwt.material.design.addins.client.pinch;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.TextResource;
+
+public interface PinchDebugClientBundle extends ClientBundle {
+
+    PinchDebugClientBundle INSTANCE = GWT.create(PinchDebugClientBundle.class);
+
+    @Source("resources/js/pinch.js")
+    TextResource pinchJs();
+}

src/main/java/gwt/material/design/addins/client/pinch/PinchZoomPanel.java

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+package gwt.material.design.addins.client.pinch;
+
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.user.client.ui.Widget;
+import gwt.material.design.addins.client.MaterialAddins;
+import gwt.material.design.addins.client.pinch.events.HasPinchZoomHandlers;
+import gwt.material.design.addins.client.pinch.events.OnZoomEndEvent;
+import gwt.material.design.addins.client.pinch.events.OnZoomStartEvent;
+import gwt.material.design.addins.client.pinch.js.JsPinchZoom;
+import gwt.material.design.client.MaterialDesignBase;
+import gwt.material.design.client.ui.MaterialImage;
+import gwt.material.design.client.ui.MaterialPanel;
+import gwt.material.design.client.ui.MaterialToast;
+
+public class PinchZoomPanel extends MaterialPanel implements HasPinchZoomHandlers {
+
+    protected JsPinchZoom jsPinchZoom;
+
+    static {
+        if (MaterialAddins.isDebug()) {
+            MaterialDesignBase.injectDebugJs(PinchDebugClientBundle.INSTANCE.pinchJs());
+        } else {
+            MaterialDesignBase.injectJs(PinchClientBundle.INSTANCE.pinchJs());
+        }
+    }
+
+    public PinchZoomPanel() {
+
+    }
+
+    @Override
+    protected void onLoad() {
+        super.onLoad();
+
+        load();
+    }
+
+    protected void load() {
+        jsPinchZoom = new JsPinchZoom(getElement());
+        jsPinchZoom.onZoomStart = (param1, param2) -> {
+            fireEvent(new OnZoomStartEvent());
+        };
+
+        jsPinchZoom.onZoomEnd = (param1, param2) -> {
+            fireEvent(new OnZoomEndEvent());
+        };
+
+        jsPinchZoom.onDoubleTap = (param1, param2) -> {
+            MaterialToast.fireToast("TABS");
+        };
+    }
+
+    public void enable() {
+        jsPinchZoom.enable();
+    }
+
+    public void disable() {
+        jsPinchZoom.disable();
+    }
+
+    @Override
+    public HandlerRegistration addOnZoomStartHandler(OnZoomStartEvent.OnZoomStartHandler handler) {
+        return addHandler(handler, OnZoomStartEvent.TYPE);
+    }
+
+    @Override
+    public HandlerRegistration addOnZoomEndHandler(OnZoomEndEvent.OnZoomEndHandler handler) {
+        return addHandler(handler, OnZoomEndEvent.TYPE);
+    }
+}

src/main/java/gwt/material/design/addins/client/pinch/events/HasPinchZoomHandlers.java

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+package gwt.material.design.addins.client.pinch.events;
+
+import com.google.gwt.event.shared.HandlerRegistration;
+
+public interface HasPinchZoomHandlers {
+
+    HandlerRegistration addOnZoomStartHandler(OnZoomStartEvent.OnZoomStartHandler handler);
+
+    HandlerRegistration addOnZoomEndHandler(OnZoomEndEvent.OnZoomEndHandler handler);
+}

src/main/java/gwt/material/design/addins/client/pinch/events/OnZoomEndEvent.java

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+package gwt.material.design.addins.client.pinch.events;
+
+import com.google.gwt.event.shared.EventHandler;
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.event.shared.HasHandlers;
+
+public class OnZoomEndEvent extends GwtEvent<OnZoomEndEvent.OnZoomEndHandler> {
+
+    public interface OnZoomEndHandler extends EventHandler {
+        void onOnZoomEnd(OnZoomEndEvent event);
+    }
+
+    public static final Type<OnZoomEndHandler> TYPE = new Type<>();
+
+    public static void fire(HasHandlers source) {
+        source.fireEvent(new OnZoomEndEvent());
+    }
+
+    @Override
+    public Type<OnZoomEndHandler> getAssociatedType() {
+        return TYPE;
+    }
+
+    @Override
+    protected void dispatch(OnZoomEndHandler handler) {
+        handler.onOnZoomEnd(this);
+    }
+}

src/main/java/gwt/material/design/addins/client/pinch/events/OnZoomStartEvent.java

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+package gwt.material.design.addins.client.pinch.events;
+
+import com.google.gwt.event.shared.EventHandler;
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.event.shared.HasHandlers;
+
+public class OnZoomStartEvent extends GwtEvent<OnZoomStartEvent.OnZoomStartHandler> {
+
+    public interface OnZoomStartHandler extends EventHandler {
+        void onOnZoomStart(OnZoomStartEvent event);
+    }
+
+    public static final Type<OnZoomStartHandler> TYPE = new Type<>();
+
+    public static void fire(HasHandlers source) {
+        source.fireEvent(new OnZoomStartEvent());
+    }
+
+    @Override
+    public Type<OnZoomStartHandler> getAssociatedType() {
+        return TYPE;
+    }
+
+    @Override
+    protected void dispatch(OnZoomStartHandler handler) {
+        handler.onOnZoomStart(this);
+    }
+}

src/main/java/gwt/material/design/addins/client/pinch/js/JsPinchOptions.java

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+/*
+ * #%L
+ * GwtMaterial
+ * %%
+ * Copyright (C) 2015 - 2017 GwtMaterialDesign
+ * %%
+ * 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.
+ * #L%
+ */
+package gwt.material.design.addins.client.pinch.js;
+
+import jsinterop.annotations.JsPackage;
+import jsinterop.annotations.JsType;
+
+/**
+ * Options for pinch zoom component
+ *
+ * @author kevzlou7979
+ */
+@JsType(isNative = true, name = "Object", namespace = JsPackage.GLOBAL)
+public class JsPinchOptions {
+
+    //TODO: Methods
+}

src/main/java/gwt/material/design/addins/client/pinch/js/JsPinchZoom.java

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+package gwt.material.design.addins.client.pinch.js;
+
+import gwt.material.design.jquery.client.api.Functions;
+import jsinterop.annotations.*;
+
+@JsType(isNative = true, name = "PinchZoom", namespace = JsPackage.GLOBAL)
+public class JsPinchZoom {
+
+    @JsConstructor
+    public JsPinchZoom(Object element) {
+
+    }
+
+    @JsProperty
+    public Integer tapZoomFactor;
+
+    @JsProperty
+    public Functions.Func2<JsPinchZoom, Object> onZoomStart;
+
+    @JsProperty
+    public Functions.Func2<JsPinchZoom, Object> onZoomEnd;
+
+    @JsProperty
+    public Functions.Func2<JsPinchZoom, Object> onDoubleTap;
+
+    /**
+     * Enables all gesture capturing (is enabled by default)
+     */
+    @JsMethod
+    public native void enable();
+
+    /**
+     * Disables all gesture capturing
+     */
+    @JsMethod
+    public native void disable();
+}