litesoft
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for /trunk/GWT_Sandbox/MultiModule/common/src/org/litesoft/sandbox/infrastructure/client/PlaceChanger.java
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package org.litesoft.sandbox.infrastructure.client; |
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import com.google.gwt.place.shared.*; |
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import com.google.gwt.user.client.*; |
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public interface PlaceChanger { |
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enum GoToPlace { |
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AlreadyThere, |
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NoActivity, |
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CurrentActivityRejectedLeaving |
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} |
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/** |
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* Returns the current place. |
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* |
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* @return a {@link Place} instance |
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*/ |
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public Place getWhere(); |
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/** |
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* Request a change to a new place. It is not a given that we'll actually get |
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* there. First a {@link PlaceChangeRequestEvent} will be posted to the |
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* event bus. If any receivers post a warning message to that event, it will |
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* be presented to the user via {@link WindowClose#confirm(String)} (which is |
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* typically a call to {@link Window#confirm(String)}). If she cancels, the |
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* current location will not change. Otherwise, the location changes and a |
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* {@link PlaceChangeEvent} is posted announcing the new place. |
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* |
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* @param pNewPlace a {@link Place} instance |
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* |
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* @return null if going to pNewPlace, !null means NOT going and why |
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*/ |
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public GoToPlace goTo( Place pNewPlace ); |
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} |
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package org.litesoft.sandbox.infrastructure.client; |
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import com.google.gwt.place.shared.*; |
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import com.google.gwt.user.client.*; |
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public interface PlaceChanger { |
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enum GoToPlace { |
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AlreadyThere, |
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NoActivity, |
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CurrentActivityRejectedLeaving |
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} |
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/** |
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* Returns the current place. |
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* |
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* @return a {@link Place} instance |
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*/ |
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public Place getWhere(); |
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/** |
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* Request a change to a new place. It is not a given that we'll actually get |
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* there. First a {@link PlaceChangeRequestEvent} will be posted to the |
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* event bus. If any receivers post a warning message to that event, it will |
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* be presented to the user via {@link WindowClose#confirm(String)} (which is |
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* typically a call to {@link Window#confirm(String)}). If she cancels, the |
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* current location will not change. Otherwise, the location changes and a |
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* {@link PlaceChangeEvent} is posted announcing the new place. |
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* |
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* @param pNewPlace a {@link Place} instance |
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* |
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* @return null if going to pNewPlace, !null means NOT going and why |
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*/ |
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public GoToPlace goTo( Place pNewPlace ); |
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} |