root/js/webpac.js

/*
        WebPAC AJAX class
*/

var WebPAC = { };

/*
        autocompleter which isn't (a suggest box)
        - don't just on first option on appear
        - removed fade-in/out effect
        - added configurable width (content width? centered?)
        - add icon which means suggest

        hopefully, this implementation won't break (much) when I update
        prototype next time :-)
*/


WebPAC.Suggest = Class.create();
Logger.debug('Created WebPAC.Suggest Class');
Object.extend(Object.extend(WebPAC.Suggest.prototype, Ajax.Autocompleter.prototype), {
  initialize: function(element, update, url, options) {
    this.baseInitialize(element, update, options);
    this.options.asynchronous  = true;
    this.options.onComplete    = this.onComplete.bind(this);
    this.options.defaultParams = this.options.parameters || null;
    this.url                   = url;
    this.ignoreReturn = true;

    Logger.debug('WebPAC.Sugget initialize '+element+','+update+','+url);

    this.options.onShow = function(element, update) {
      if(!update.style.position || update.style.position=='absolute') {
        update.style.position = 'absolute';
        Position.clone(element, update, {setHeight: false, offsetTop: element.offsetHeight});
      }
      new Element.show(update);
      Logger.debug('WebPAC.Suggest.onShow');
    };

    this.options.onHide = function(element, update) {
        new Element.hide(update);
        Logger.debug('WebPAC.Suggest.onHide');
    };
  },

  getUpdatedChoices: function() {
    var entry = encodeURIComponent(this.options.paramName) + '=' +
      encodeURIComponent(this.getToken());

    this.options.parameters = this.options.callback ?
      this.options.callback(this.element, entry) : entry;

    if(this.options.defaultParams)
      this.options.parameters += '&' + this.options.defaultParams;

    var form = $('results_form');
    var inputs = form.getElementsByTagName('input');
    var name = '_database';

    var matchingInputs = new Array();
    for (var i = 0; i < inputs.length; i++) {
      var input = inputs[i];
      if (input.name != name || !input.checked) continue;
      Logger.debug('keeping '+name+'='+input.value);
      matchingInputs.push(name+'='+input.value);
    }

    // construct arguments for url
    var args = '';
    var pos = this.url.indexOf('?');
    if (pos == -1) {
      args += '?';
    } else {
      args += '&';
    }
    args += matchingInputs.join('&');

    Logger.debug('WebPAC.Suggest called '+this.url+args);
    new Ajax.Request(this.url+args, this.options);
  },

  onComplete: function(request) {
    Logger.debug('WebPAC.Suggest onComplete called');
    this.updateChoices(request.responseText);
  },

  markPrevious: function() {
    if(this.index > 0) this.index--
    //  else this.index = this.entryCount-1;
  },

  markNext: function() {
    if(this.index < this.entryCount-1) this.index++
    //  else this.index = 0;
  }

});

/*
        WebPAC.Updater
*/

WebPAC.Updater = Class.create();
Logger.debug('Created WebPAC.Updater Class');
Object.extend(WebPAC.Updater.prototype, {
  initialize: function(container, url, options) {
    Logger.debug('WebPAC.Updater initialize '+container+','+url+','+options);
    if (url.indexOf('/ajax') == -1) {
      var pos = url.indexOf('?');
      if (pos == -1) {
        url += '/ajax';
      } else {
        url = url.substring(0,pos) + '/ajax' + url.substring(pos);
      }
      Logger.debug('added /ajax to '+url+' pos:'+pos);
    }
    Logger.info('using AJAX to update "'+container+'" from '+url);
    this.updater = new Ajax.Updater(container, url, options);
  }
});

1	/*
2	WebPAC AJAX class
3	*/
4
5	var WebPAC = { };
6
7	/*
8	autocompleter which isn't (a suggest box)
9	- don't just on first option on appear
10	- removed fade-in/out effect
11	- added configurable width (content width? centered?)
12	- add icon which means suggest
13
14	hopefully, this implementation won't break (much) when I update
15	prototype next time :-)
16	*/
17
18
19	WebPAC.Suggest = Class.create();
20	Logger.debug('Created WebPAC.Suggest Class');
21	Object.extend(Object.extend(WebPAC.Suggest.prototype, Ajax.Autocompleter.prototype), {
22	initialize: function(element, update, url, options) {
23	this.baseInitialize(element, update, options);
24	this.options.asynchronous = true;
25	this.options.onComplete = this.onComplete.bind(this);
26	this.options.defaultParams = this.options.parameters \|\| null;
27	this.url = url;
28	this.ignoreReturn = true;
29
30	Logger.debug('WebPAC.Sugget initialize '+element+','+update+','+url);
31
32	this.options.onShow = function(element, update) {
33	if(!update.style.position \|\| update.style.position=='absolute') {
34	update.style.position = 'absolute';
35	Position.clone(element, update, {setHeight: false, offsetTop: element.offsetHeight});
36	}
37	new Element.show(update);
38	Logger.debug('WebPAC.Suggest.onShow');
39	};
40
41	this.options.onHide = function(element, update) {
42	new Element.hide(update);
43	Logger.debug('WebPAC.Suggest.onHide');
44	};
45	},
46
47	getUpdatedChoices: function() {
48	var entry = encodeURIComponent(this.options.paramName) + '=' +
49	encodeURIComponent(this.getToken());
50
51	this.options.parameters = this.options.callback ?
52	this.options.callback(this.element, entry) : entry;
53
54	if(this.options.defaultParams)
55	this.options.parameters += '&' + this.options.defaultParams;
56
57	var form = $('results_form');
58	var inputs = form.getElementsByTagName('input');
59	var name = '_database';
60
61	var matchingInputs = new Array();
62	for (var i = 0; i < inputs.length; i++) {
63	var input = inputs[i];
64	if (input.name != name \|\| !input.checked) continue;
65	Logger.debug('keeping '+name+'='+input.value);
66	matchingInputs.push(name+'='+input.value);
67	}
68
69	// construct arguments for url
70	var args = '';
71	var pos = this.url.indexOf('?');
72	if (pos == -1) {
73	args += '?';
74	} else {
75	args += '&';
76	}
77	args += matchingInputs.join('&');
78
79	Logger.debug('WebPAC.Suggest called '+this.url+args);
80	new Ajax.Request(this.url+args, this.options);
81	},
82
83	onComplete: function(request) {
84	Logger.debug('WebPAC.Suggest onComplete called');
85	this.updateChoices(request.responseText);
86	},
87
88	markPrevious: function() {
89	if(this.index > 0) this.index--
90	// else this.index = this.entryCount-1;
91	},
92
93	markNext: function() {
94	if(this.index < this.entryCount-1) this.index++
95	// else this.index = 0;
96	}
97
98	});
99
100	/*
101	WebPAC.Updater
102	*/
103
104	WebPAC.Updater = Class.create();
105	Logger.debug('Created WebPAC.Updater Class');
106	Object.extend(WebPAC.Updater.prototype, {
107	initialize: function(container, url, options) {
108	Logger.debug('WebPAC.Updater initialize '+container+','+url+','+options);
109	if (url.indexOf('/ajax') == -1) {
110	var pos = url.indexOf('?');
111	if (pos == -1) {
112	url += '/ajax';
113	} else {
114	url = url.substring(0,pos) + '/ajax' + url.substring(pos);
115	}
116	Logger.debug('added /ajax to '+url+' pos:'+pos);
117	}
118	Logger.info('using AJAX to update "'+container+'" from '+url);
119	this.updater = new Ajax.Updater(container, url, options);
120	}
121	});
122