001package votorola.s.gwt.scene.feed; // Copyright 2011, Michael Allan. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE. 002 003import com.google.gwt.core.client.*; 004import votorola.g.lang.*; 005 006 007/** A person implemented as a JavaScript overlay type. 008 */ 009public final class PersonJS extends JavaScriptObject implements Person 010{ 011 012 013 protected PersonJS() {} // "precisely one constructor... protected, empty, and no-argument" 014 015 016 017 /** Initializes the native object, and sets <code>p.initJSCalled</code> to true. 018 */ 019 private static native void initJS( Object p ) // "JSNI methods may not refer to instance methods defined within a JavaScriptObject" 020 /*-{ 021 if( p.voteTrace ) // fill in detail excluded from serialization: 022 { 023 p.voteTrace.unshift( p ); 024 if( p.voteTraceProjected ) p.voteTraceProjected.unshift( p ); 025 } 026 p.initJSCalled = true; 027 }-*/; 028 029 030 031 // ------------------------------------------------------------------------------------ 032 033 034 /** Answers whether or not this person has the specified other person as an immediate 035 * candidate. One's immediate candidate is the first recipient of one's vote. 036 * 037 * @throws NoSuchItem if this person's vote trace or the other's username is 038 * unknown. 039 */ 040 public boolean hasImmediateCandidate( final PersonJS other ) throws NoSuchItem 041 { 042 final JsArray<PersonJS> trace = voteTrace(); 043 if( trace == null ) throw new NoSuchItem( "unknown vote trace for person: " + username() ); 044 045 final String otherUsername = other.username(); 046 if( otherUsername == null ) throw new NoSuchItem( "unknown username for other person" ); 047 048 if( trace.length() < 2 ) return false; // this person's vote not actually cast 049 050 return trace.get(1).username().equals( otherUsername ); 051 } 052 053 054 055 // - P e r s o n ---------------------------------------------------------------------- 056 057 058 public native byte dartSector() /*-{ return this.dartSector? this.dartSector: -1; }-*/; 059 060 061 062 public native ResidenceJS residence() /*-{ return this.residence; }-*/; 063 064 065 066 public native String username() /*-{ return this.username; }-*/; 067 068 069 070 public native JsArray<PersonJS> voteTrace() 071 /*-{ 072 if( !this.initJSCalled ) @votorola.s.gwt.scene.feed.PersonJS::initJS(Ljava/lang/Object;)( this ); 073 return this.voteTrace; 074 }-*/; 075 076 077 078 public native JsArray<PersonJS> voteTraceProjected() 079 /*-{ 080 if( !this.initJSCalled ) @votorola.s.gwt.scene.feed.PersonJS::initJS(Ljava/lang/Object;)( this ); 081 return this.voteTraceProjected; 082 }-*/; 083 084 085 086}