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wrap static gwt event methods to improve testability
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57 changes: 57 additions & 0 deletions
57
zanata-war/src/main/java/org/zanata/webtrans/client/keys/EventWrapper.java
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|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Copyright 2012, Red Hat, Inc. and individual contributors | ||
| * as indicated by the @author tags. See the copyright.txt file in the | ||
| * distribution for a full listing of individual contributors. | ||
| * | ||
| * This is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU Lesser General Public License as | ||
| * published by the Free Software Foundation; either version 2.1 of | ||
| * the License, or (at your option) any later version. | ||
| * | ||
| * This software is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with this software; if not, write to the Free | ||
| * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
| * 02110-1301 USA, or see the FSF site: http://www.fsf.org. | ||
| */ | ||
| package org.zanata.webtrans.client.keys; | ||
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| import com.google.gwt.dom.client.NativeEvent; | ||
| import com.google.gwt.event.shared.HandlerRegistration; | ||
| import com.google.gwt.user.client.Event.NativePreviewEvent; | ||
| import com.google.gwt.user.client.Event.NativePreviewHandler; | ||
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|
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| /** | ||
| * Wrapper around {@link com.google.gwt.user.client.Event} and related classes, | ||
| * allowing mocking for testing. | ||
| * | ||
| * @author David Mason, <a | ||
| * href="mailto:damason@redhat.com">damason@redhat.com</a> | ||
| */ | ||
| public interface EventWrapper | ||
| { | ||
| HandlerRegistration addNativePreviewHandler(final NativePreviewHandler handler); | ||
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| int keyDownEvent(); | ||
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| int keyUpEvent(); | ||
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| /** | ||
| * Wrapper for {@link NativePreviewEvent#getTypeInt()}, to present a | ||
| * non-final method to allow mocking. | ||
| * | ||
| * See: http://stackoverflow.com/questions/7210171/easymock-mocked-object-is-calling-actual-method | ||
| * | ||
| * @param evt | ||
| * @return | ||
| */ | ||
| int getTypeInt(NativePreviewEvent evt); | ||
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| String getType(NativeEvent evt); | ||
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| Keys createKeys(NativeEvent evt); | ||
| } |
68 changes: 68 additions & 0 deletions
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zanata-war/src/main/java/org/zanata/webtrans/client/keys/EventWrapperImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /* | ||
| * Copyright 2012, Red Hat, Inc. and individual contributors | ||
| * as indicated by the @author tags. See the copyright.txt file in the | ||
| * distribution for a full listing of individual contributors. | ||
| * | ||
| * This is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU Lesser General Public License as | ||
| * published by the Free Software Foundation; either version 2.1 of | ||
| * the License, or (at your option) any later version. | ||
| * | ||
| * This software is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with this software; if not, write to the Free | ||
| * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
| * 02110-1301 USA, or see the FSF site: http://www.fsf.org. | ||
| */ | ||
| package org.zanata.webtrans.client.keys; | ||
|
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| import com.google.gwt.dom.client.NativeEvent; | ||
| import com.google.gwt.event.shared.HandlerRegistration; | ||
| import com.google.gwt.user.client.Event.NativePreviewEvent; | ||
| import com.google.gwt.user.client.Event.NativePreviewHandler; | ||
|
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| public class EventWrapperImpl implements EventWrapper | ||
| { | ||
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| @Override | ||
| public HandlerRegistration addNativePreviewHandler(NativePreviewHandler handler) | ||
| { | ||
| return com.google.gwt.user.client.Event.addNativePreviewHandler(handler); | ||
| } | ||
|
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| public int keyDownEvent() | ||
| { | ||
| return com.google.gwt.user.client.Event.ONKEYDOWN; | ||
| } | ||
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| @Override | ||
| public int keyUpEvent() | ||
| { | ||
| return com.google.gwt.user.client.Event.ONKEYUP; | ||
| } | ||
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| @Override | ||
| public int getTypeInt(NativePreviewEvent evt) | ||
| { | ||
| return evt.getTypeInt(); | ||
| } | ||
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| @Override | ||
| public Keys createKeys(NativeEvent evt) | ||
| { | ||
| int modifiers = (evt.getAltKey() ? Keys.ALT_KEY : 0) | (evt.getShiftKey() ? Keys.SHIFT_KEY : 0) | ||
| | (evt.getCtrlKey() ? Keys.CTRL_KEY : 0) | (evt.getMetaKey() ? Keys.META_KEY : 0); | ||
| return new Keys(modifiers, evt.getKeyCode()); | ||
| } | ||
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| @Override | ||
| public String getType(NativeEvent evt) | ||
| { | ||
| return evt.getType(); | ||
| } | ||
|
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| } |
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