swe/scripts/sw-sami.js

if (!self.SW) self.SW = {};

SW.CurrentDocument = new SAMI.Class (function () {
  var self = this;
  var path = location.pathname;
  path = path.replace (/;([^;\/]*)$/, function (_, v) {
    self.param = decodeURIComponent (v.replace (/\+/g, '%2F'));
    return '';
  });
  path = path.replace (/\$([^$\/]*)$/, function (_, v) {
    self.dollar = decodeURIComponent (v.replace (/\+/g, '%2F'));
    return '';
  });
  path = path.replace (/\/([^\/]*)$/, function (_, v) {
    self.name = decodeURIComponent (v.replace (/\+/g, '%2F'));
    return '';
  });
  path = path.replace (/\/([^\/]*)$/, function (_, v) {
    self.area = decodeURIComponent (v.replace (/\+/g, '%2F'));
    return '';
  });
  this.wikiPath = path;
}, {
  constructURL: function (area, name, dollar, param) {
    var p = this.wikiPath;

    area = area || this.area;
    p += '/' + encodeURIComponent (area).replace (/%2F/g, '+');

    name = name || this.name;
    p += '/' + encodeURIComponent (name).replace (/%2F/g, '+');

    dollar = dollar === undefined ? this.dollar : dollar;
    if (dollar != null) p += '$' + encodeURIComponent (dollar).replace (/%2F/g, '+');

    param = param === undefined ? this.param : param;
    if (param != null) p += ';' + encodeURIComponent (param).replace (/%2F/g, '+');

    return p;
  } // constructURL
}); // CurrentDocument

SW.CurrentDocument.getDocumentId = function () {
  var el = document.body;
  if (!el) return null;
  
  var value = el.getAttribute ('data-doc-id');
  if (!value) return null;

  return parseInt (value);
}; // getDocumentId

SW.CurrentDocument.getInstance = function () {
  if (!SW.CurrentDocument._instance) {
    SW.CurrentDocument._instance = new SW.CurrentDocument;
  }
  return SW.CurrentDocument._instance;
}; // getInstance

SW.SearchResult = new SAMI.Class (function (source) {
  this.parse (source);
}, {
  parse: function (source) {
    this.entries = new SAMI.List (source.split (/\x0D?\x0A/)).map (function (v) {
      if (v == '') return;
      return new SW.SearchResult.Entry (v.split (/\t/, 3));
    }).grep (function (v) { return v });
  }, // parse

  toOL: function () {
    var ol = document.createElement ('ol');
    this.entries.forEach (function (entry) {
      ol.appendChild (entry.toLI ());
    });
    return ol;
  } // toOL
}); // SearchResult

SW.SearchResult.Entry = new SAMI.Class (function (v) {
  this.score = v[0];
  this.docId = v[1];
  this.docName = v[2];
}, {
  toLI: function () {
    var li = document.createElement ('li');
    li.innerHTML = '<a href="">xxx</a>';
    li.firstChild.firstChild.data = this.docName;
    li.firstChild.href = SW.CurrentDocument.getInstance ().constructURL
        ('n', this.docName, this.docId);
    return li;
  } // toLI
}); // SearchResult.Entry

SW.Neighbors = new SAMI.Class (function (id, source) {
  this.documentId = id;
  this.parse (source);
}, {
  parse: function (source) {
    var id = this.documentId;
    this.entries = new SAMI.List (source.split (/\x0D?\x0A/)).map (function (v) {
      if (v == '') return;
      return new SW.Neighbors.Entry (v.split (/\t/, 2), id);
    }).grep (function (v) { return v });
  }, // parse

  toUL: function () {
    var ol = document.createElement ('ul');
    this.entries.forEach (function (entry) {
      ol.appendChild (entry.toLI ());
    });
    return ol;
  } // toUL
}); // Neighbors

SW.Neighbors.Entry = new SAMI.Class (function (v, id) {
  this.docId = v[0];
  this.docName = v[1];
  this.sourceDocId = id;
}, {
  toLI: function () {
    var self = this;
    var doc = SW.CurrentDocument.getInstance ();

    var li = document.createElement ('li');
    li.innerHTML = '<a href="">xxx</a> <button type=button>X</button>';
    var a = li.firstChild;
    a.firstChild.data = this.docName;
    a.href = doc.constructURL ('n', this.docName, this.docId);

    // XXX We don't use the real |ping| attribute for now since there
    // is no reliable way to know whether the browser does or does not
    // send ping and therefore we have to send the ping using a custom
    // script code anyway.

    // Use |GET| method instead of |POST| method to not require Basic auth.
    a.onclick = function () {
      var pingURL = doc.constructURL
          ('i', self.sourceDocId, null, 'related-' + self.docId);
      new SAMI.XHR (pingURL).get ();

      var url = a.href;
      setTimeout (function () {
        location.href = url;
      }, 500);

      return false;
    }; // a.onclick

    var button = li.lastChild;
    button.onclick = function () {
      var pingURL = doc.constructURL
          ('i', self.sourceDocId, null, 'unrelated-' + self.docId);
      new SAMI.XHR (pingURL).get ();
      li.parentNode.removeChild (li);
    }; // button.onclick

    return li;
  } // toLI
}); // Neighbors.Entry

SW.PageContents = new SAMI.Class (function () {
  this.footer = document.getElementsByTagName ('footer')[0];
}, {
  insertSection: function (sectionId, content) {
    var sectionName = {
      'search-results': 'Related pages',
      'neighbors': 'Nearby'
    }[sectionId] || sectionId;
    var section = document.createElement ('section');
    section.id = sectionId;
    var h = document.createElement ('h2');
    h.innerHTML = 'xxx';
    h.firstChild.data = sectionName;
    section.appendChild (h);
    section.appendChild (content);
    document.body.insertBefore (section, this.footer);
  } // insertSection
}); // PageContents

SW.PageContents.getInstance = function () {
  if (!this._instance) {
    this._instance = new SW.PageContents;
  }
  return this._instance;
}; // getInstance

var CanvasInstructions = new SAMI.Class(function (canvas) {
  this.canvas = canvas;
}, {
  clear: function () {
    this.canvas.width = this.canvas.width;
  }, // clear

  processText: function (text) {
    text = text.replace (/^<!--/, '').replace (/-->$/, '');
    this.processLines (text.split(/\x0D\x0A?|\x0A/));
  }, // processText

  processLines: function (lines) {
    var ctx = this.canvas.getContext ('2d');
    for (var i = 0; i < lines.length; i++) {
      var ev = lines[i].split (/,/);
      if (ev[0] == 'lineTo') {
        var x = parseFloat (ev[1]);
        var y = parseFloat (ev[2]);
        ctx.lineTo (x, y);
        ctx.stroke ();
//        ctx.closePath ();
//        ctx.beginPath ();
//        ctx.moveTo (x, y);
      } else if (ev[0] == 'moveTo') {
        var x = parseFloat (ev[1]);
        var y = parseFloat (ev[2]);
        ctx.moveTo (x, y);
      } else if (ev[0] == 'strokeStyle' || ev[0] == 'lineWidth') {
        ctx.closePath ();
        ctx.beginPath ();
        ctx[ev[0]] = ev[1];
      }
    }
  } // processLines
}); // CanvasInstructions

SW.Drawings = {};
SAMI.Class.addClassMethods (SW.Drawings, {
  drawCanvases: function () {
    var canvases = SAMI.Node.getElementsByClassName (document.body, 'swe-canvas-instructions');
    canvases.forEach(function (canvas) {
      var script = canvas.firstChild;
      if (!script) return;
      if (script.nodeName.toLowerCase () != 'script') return;
      if (script.type != 'image/x-canvas-instructions+text') return;
      var text = SAMI.Element.getTextContent (script);
      new CanvasInstructions (canvas).processText (text);
    });
  } // drawCanvases
}); // SW.Drawings

SW.init = function () {
  var doc = SW.CurrentDocument.getInstance ();
  if (doc.area == 'n') {
    var searchURL = doc.constructURL (null, null, null, 'search');

    new SAMI.XHR (searchURL, function () {
      var sr = new SW.SearchResult (this.getText ());
      if (sr.entries.list.length) {
        var ol = sr.toOL ();
        SW.PageContents.getInstance ().insertSection ('search-results', ol);
      }
    }).get ();

    if (location.href.match(/-temp/)) { // XXX

    var id = SW.CurrentDocument.getDocumentId ();
    if (id) {
      var neighborsURL = doc.constructURL ('i', id, null, 'neighbors');
      new SAMI.XHR (neighborsURL, function () {
        var sr = new SW.Neighbors (id, this.getText ());
        if (sr.entries.list.length) {
          var ol = sr.toUL ();
          SW.PageContents.getInstance ().insertSection ('neighbors', ol);
        }
      }).get ();
    }

    }

    SW.Drawings.drawCanvases ();
  }

}; // init
1	wakaba	1.1	if (!self.SW) self.SW = {};
2
3			SW.CurrentDocument = new SAMI.Class (function () {
4			var self = this;
5			var path = location.pathname;
6			path = path.replace (/;([^;\/]*)$/, function (_, v) {
7			self.param = decodeURIComponent (v.replace (/\+/g, '%2F'));
8			return '';
9			});
10			path = path.replace (/\$([^$\/]*)$/, function (_, v) {
11			self.dollar = decodeURIComponent (v.replace (/\+/g, '%2F'));
12			return '';
13			});
14			path = path.replace (/\/([^\/]*)$/, function (_, v) {
15			self.name = decodeURIComponent (v.replace (/\+/g, '%2F'));
16			return '';
17			});
18			path = path.replace (/\/([^\/]*)$/, function (_, v) {
19			self.area = decodeURIComponent (v.replace (/\+/g, '%2F'));
20			return '';
21			});
22			this.wikiPath = path;
23			}, {
24			constructURL: function (area, name, dollar, param) {
25			var p = this.wikiPath;
26
27			area = area \|\| this.area;
28			p += '/' + encodeURIComponent (area).replace (/%2F/g, '+');
29
30			name = name \|\| this.name;
31			p += '/' + encodeURIComponent (name).replace (/%2F/g, '+');
32
33			dollar = dollar === undefined ? this.dollar : dollar;
34			if (dollar != null) p += '$' + encodeURIComponent (dollar).replace (/%2F/g, '+');
35
36			param = param === undefined ? this.param : param;
37			if (param != null) p += ';' + encodeURIComponent (param).replace (/%2F/g, '+');
38
39			return p;
40			} // constructURL
41			}); // CurrentDocument
42
43	wakaba	1.4	SW.CurrentDocument.getDocumentId = function () {
44			var el = document.body;
45			if (!el) return null;
46
47			var value = el.getAttribute ('data-doc-id');
48			if (!value) return null;
49
50			return parseInt (value);
51			}; // getDocumentId
52
53	wakaba	1.1	SW.CurrentDocument.getInstance = function () {
54			if (!SW.CurrentDocument._instance) {
55			SW.CurrentDocument._instance = new SW.CurrentDocument;
56			}
57			return SW.CurrentDocument._instance;
58			}; // getInstance
59
60			SW.SearchResult = new SAMI.Class (function (source) {
61			this.parse (source);
62			}, {
63			parse: function (source) {
64			this.entries = new SAMI.List (source.split (/\x0D?\x0A/)).map (function (v) {
65			if (v == '') return;
66			return new SW.SearchResult.Entry (v.split (/\t/, 3));
67			}).grep (function (v) { return v });
68			}, // parse
69
70			toOL: function () {
71			var ol = document.createElement ('ol');
72			this.entries.forEach (function (entry) {
73			ol.appendChild (entry.toLI ());
74			});
75			return ol;
76			} // toOL
77			}); // SearchResult
78
79			SW.SearchResult.Entry = new SAMI.Class (function (v) {
80	wakaba	1.5	this.score = v[0];
81			this.docId = v[1];
82			this.docName = v[2];
83	wakaba	1.1	}, {
84			toLI: function () {
85			var li = document.createElement ('li');
86			li.innerHTML = '<a href="">xxx</a>';
87			li.firstChild.firstChild.data = this.docName;
88			li.firstChild.href = SW.CurrentDocument.getInstance ().constructURL
89			('n', this.docName, this.docId);
90			return li;
91			} // toLI
92	wakaba	1.4	}); // SearchResult.Entry
93
94	wakaba	1.5	SW.Neighbors = new SAMI.Class (function (id, source) {
95			this.documentId = id;
96	wakaba	1.4	this.parse (source);
97			}, {
98			parse: function (source) {
99	wakaba	1.5	var id = this.documentId;
100	wakaba	1.4	this.entries = new SAMI.List (source.split (/\x0D?\x0A/)).map (function (v) {
101			if (v == '') return;
102	wakaba	1.5	return new SW.Neighbors.Entry (v.split (/\t/, 2), id);
103	wakaba	1.4	}).grep (function (v) { return v });
104			}, // parse
105
106	wakaba	1.5	toUL: function () {
107			var ol = document.createElement ('ul');
108			this.entries.forEach (function (entry) {
109			ol.appendChild (entry.toLI ());
110			});
111			return ol;
112			} // toUL
113	wakaba	1.4	}); // Neighbors
114	wakaba	1.1
115	wakaba	1.5	SW.Neighbors.Entry = new SAMI.Class (function (v, id) {
116			this.docId = v[0];
117			this.docName = v[1];
118			this.sourceDocId = id;
119			}, {
120			toLI: function () {
121			var self = this;
122			var doc = SW.CurrentDocument.getInstance ();
123
124			var li = document.createElement ('li');
125			li.innerHTML = '<a href="">xxx</a> <button type=button>X</button>';
126			var a = li.firstChild;
127			a.firstChild.data = this.docName;
128			a.href = doc.constructURL ('n', this.docName, this.docId);
129
130			// XXX We don't use the real \|ping\| attribute for now since there
131			// is no reliable way to know whether the browser does or does not
132			// send ping and therefore we have to send the ping using a custom
133			// script code anyway.
134
135			// Use \|GET\| method instead of \|POST\| method to not require Basic auth.
136			a.onclick = function () {
137			var pingURL = doc.constructURL
138			('i', self.sourceDocId, null, 'related-' + self.docId);
139			new SAMI.XHR (pingURL).get ();
140
141			var url = a.href;
142			setTimeout (function () {
143			location.href = url;
144			}, 500);
145
146			return false;
147			}; // a.onclick
148
149			var button = li.lastChild;
150			button.onclick = function () {
151			var pingURL = doc.constructURL
152			('i', self.sourceDocId, null, 'unrelated-' + self.docId);
153			new SAMI.XHR (pingURL).get ();
154			li.parentNode.removeChild (li);
155			}; // button.onclick
156
157			return li;
158			} // toLI
159			}); // Neighbors.Entry
160
161	wakaba	1.2	SW.PageContents = new SAMI.Class (function () {
162			this.footer = document.getElementsByTagName ('footer')[0];
163			}, {
164			insertSection: function (sectionId, content) {
165			var sectionName = {
166	wakaba	1.4	'search-results': 'Related pages',
167			'neighbors': 'Nearby'
168	wakaba	1.2	}[sectionId] \|\| sectionId;
169			var section = document.createElement ('section');
170			section.id = sectionId;
171			var h = document.createElement ('h2');
172			h.innerHTML = 'xxx';
173			h.firstChild.data = sectionName;
174			section.appendChild (h);
175			section.appendChild (content);
176			document.body.insertBefore (section, this.footer);
177			} // insertSection
178			}); // PageContents
179
180			SW.PageContents.getInstance = function () {
181			if (!this._instance) {
182			this._instance = new SW.PageContents;
183			}
184			return this._instance;
185			}; // getInstance
186
187	wakaba	1.3	var CanvasInstructions = new SAMI.Class(function (canvas) {
188			this.canvas = canvas;
189			}, {
190			clear: function () {
191			this.canvas.width = this.canvas.width;
192			}, // clear
193
194			processText: function (text) {
195			text = text.replace (/^<!--/, '').replace (/-->$/, '');
196			this.processLines (text.split(/\x0D\x0A?\|\x0A/));
197			}, // processText
198
199			processLines: function (lines) {
200			var ctx = this.canvas.getContext ('2d');
201			for (var i = 0; i < lines.length; i++) {
202			var ev = lines[i].split (/,/);
203			if (ev[0] == 'lineTo') {
204			var x = parseFloat (ev[1]);
205			var y = parseFloat (ev[2]);
206			ctx.lineTo (x, y);
207			ctx.stroke ();
208			// ctx.closePath ();
209			// ctx.beginPath ();
210			// ctx.moveTo (x, y);
211			} else if (ev[0] == 'moveTo') {
212			var x = parseFloat (ev[1]);
213			var y = parseFloat (ev[2]);
214			ctx.moveTo (x, y);
215			} else if (ev[0] == 'strokeStyle' \|\| ev[0] == 'lineWidth') {
216			ctx.closePath ();
217			ctx.beginPath ();
218			ctx[ev[0]] = ev[1];
219			}
220			}
221			} // processLines
222			}); // CanvasInstructions
223
224			SW.Drawings = {};
225			SAMI.Class.addClassMethods (SW.Drawings, {
226			drawCanvases: function () {
227			var canvases = SAMI.Node.getElementsByClassName (document.body, 'swe-canvas-instructions');
228			canvases.forEach(function (canvas) {
229			var script = canvas.firstChild;
230			if (!script) return;
231			if (script.nodeName.toLowerCase () != 'script') return;
232			if (script.type != 'image/x-canvas-instructions+text') return;
233			var text = SAMI.Element.getTextContent (script);
234			new CanvasInstructions (canvas).processText (text);
235			});
236			} // drawCanvases
237			}); // SW.Drawings
238
239	wakaba	1.1	SW.init = function () {
240			var doc = SW.CurrentDocument.getInstance ();
241			if (doc.area == 'n') {
242			var searchURL = doc.constructURL (null, null, null, 'search');
243
244			new SAMI.XHR (searchURL, function () {
245			var sr = new SW.SearchResult (this.getText ());
246			if (sr.entries.list.length) {
247			var ol = sr.toOL ();
248	wakaba	1.2	SW.PageContents.getInstance ().insertSection ('search-results', ol);
249	wakaba	1.1	}
250			}).get ();
251	wakaba	1.4
252			if (location.href.match(/-temp/)) { // XXX
253
254			var id = SW.CurrentDocument.getDocumentId ();
255			if (id) {
256			var neighborsURL = doc.constructURL ('i', id, null, 'neighbors');
257			new SAMI.XHR (neighborsURL, function () {
258	wakaba	1.5	var sr = new SW.Neighbors (id, this.getText ());
259	wakaba	1.4	if (sr.entries.list.length) {
260	wakaba	1.5	var ol = sr.toUL ();
261	wakaba	1.4	SW.PageContents.getInstance ().insertSection ('neighbors', ol);
262			}
263			}).get ();
264			}
265
266			}
267	wakaba	1.3
268			SW.Drawings.drawCanvases ();
269	wakaba	1.1	}
270
271			}; // init