root/js/webpac.js

// WebPAC AJAX API
//
// Documented in this code only, I'm afraid. Beware of dragons!
// Dobrica Pavlinusic dpavlin(at)rot13(dot)org 2005-11-22

/*
        load another template
*/
function load_template(template_name) {

        var old_template = $('template_name').value;

        Logger.info('load_template: '+template_name+' (old: '+old_template+')');

        if (template_name == old_template) {
                Logger.error('why reload same template?');
                return false;
        }

        $('template_name').value = template_name;
        submit_results_form();
        return false;
}

/*
        pager
*/
function load_results_page(page_nr) {

        if (parseInt(page_nr) != page_nr) {
                Logger.error("load_results_page can't parseInt "+page_nr);
                return false;
        }

        var old_page = get_page_nr();

        if (page_nr < 1) {
                Logger.error("load_results_page called with '"+page_nr+"' < 1");
                return false;
        }

        Logger.info('load_results_page: '+page_nr+' (from page: '+old_page+')');

        if (page_nr == old_page) {
                Logger.error('why reload same page?');
                return false;
        }

        $('page_nr').value = page_nr;
        submit_results_form();

        return false;
}

function get_page_nr() {
        var page_nr = parseInt( $('page_nr').value ) || 1;
        return page_nr;
}

function reset_page_nr( nr ) {
        if (! nr) nr = 1;
        Logger.info('reset_page_nr to '+nr);
        page_nr = nr;
        $('page_nr').value = page_nr;
}

/* syntaxtic sugar */
function set_page_nr(nr) {
        return load_results_page(nr);
}

function next_page() {
        load_results_page( get_page_nr() + 1 );
        return false;
}

function prev_page() {
        load_results_page( get_page_nr() - 1 );
        return false;
}

/*
        submit results form using AJAX
*/
function submit_results_form() {
        var results_form = $('results_form');

        if (results_form) {
                var form_params = Form.serialize( results_form );

                Logger.debug('Ajax.Updater(results,/results) '+form_params);

                new Ajax.Updater( 'results', '/search/results', {
                        parameters: form_params,
                        asynchronous: 1,
                        onLoading: function(request) {
                                show_searching();
                        },
                        onLoaded: function(request) {
                                hide_searching();
                        }
                } ) ;
                return false;
        } else {
                Logger.debug('no results_form element');
                return undef;
        }
        return false;
}

/*
        helper functions for submit_results_form()
*/
function show_searching() {
        Logger.debug('show_searching');
        Element.show('searching');
//      new Effect.Fade('results', { duration: 0.3 });
        return false;
}

function hide_searching() {
        Logger.debug('hide_searching');
        Element.hide('searching');
//      new Effect.Highlight('results');
//      new Effect.Appear('results', { duration: 0.3 });
        return false;
}

/*
        load record nr in some template
*/

function load_rec(nr, tmp_template_filename) {
        if (! tmp_template_filename) tmp_template_filename = template_filename;
        Logger.info('load_rec '+nr+' in '+tmp_template_filename);

        var results_form = $('results_form');

        if (results_form) {
                var args = '?mfn='+nr+'&template_filename='+tmp_template_filename;
                Logger.debug('Ajax.Updater(results,/search/record) '+args);

                new Ajax.Updater( 'results', '/search/record'+args, {
                        asynchronous: 1,
                        onLoading: function(request) {
                                show_searching();
                        },
                        onLoaded: function(request) {
                                hide_searching();
                        }
                } ) ;
                return false;
        } else {
                Logger.debug('no results_form element');
                return undef;
        }
        return false;
}

/*
        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 when I update prototype next time :-)
*/

Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.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;

    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('Ajax.Suggest.onShow');
    };

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

  getUpdatedChoices: function() {
    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;

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

  onComplete: function(request) {
    Logger.debug('Ajax.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;
  },

});
1	dpavlin	97	// WebPAC AJAX API
2			//
3			// Documented in this code only, I'm afraid. Beware of dragons!
4			// Dobrica Pavlinusic dpavlin(at)rot13(dot)org 2005-11-22
5
6	dpavlin	159	/*
7			load another template
8			*/
9	dpavlin	97	function load_template(template_name) {
10	dpavlin	101
11	dpavlin	159	var old_template = $('template_name').value;
12
13			Logger.info('load_template: '+template_name+' (old: '+old_template+')');
14
15			if (template_name == old_template) {
16			Logger.error('why reload same template?');
17			return false;
18			}
19
20	dpavlin	101	$('template_name').value = template_name;
21	dpavlin	159	submit_results_form();
22	dpavlin	160	return false;
23	dpavlin	159	}
24	dpavlin	101
25	dpavlin	159	/*
26			pager
27			*/
28			function load_results_page(page_nr) {
29
30	dpavlin	160	if (parseInt(page_nr) != page_nr) {
31			Logger.error("load_results_page can't parseInt "+page_nr);
32			return false;
33			}
34	dpavlin	159
35	dpavlin	160	var old_page = get_page_nr();
36
37			if (page_nr < 1) {
38			Logger.error("load_results_page called with '"+page_nr+"' < 1");
39			return false;
40			}
41
42	dpavlin	159	Logger.info('load_results_page: '+page_nr+' (from page: '+old_page+')');
43
44			if (page_nr == old_page) {
45			Logger.error('why reload same page?');
46			return false;
47			}
48
49			$('page_nr').value = page_nr;
50			submit_results_form();
51	dpavlin	160
52			return false;
53	dpavlin	159	}
54
55	dpavlin	160	function get_page_nr() {
56	dpavlin	162	var page_nr = parseInt( $('page_nr').value ) \|\| 1;
57	dpavlin	159	return page_nr;
58			}
59
60	dpavlin	182	function reset_page_nr( nr ) {
61			if (! nr) nr = 1;
62			Logger.info('reset_page_nr to '+nr);
63			page_nr = nr;
64			$('page_nr').value = page_nr;
65			}
66
67	dpavlin	160	/* syntaxtic sugar */
68			function set_page_nr(nr) {
69			return load_results_page(nr);
70			}
71
72	dpavlin	159	function next_page() {
73	dpavlin	160	load_results_page( get_page_nr() + 1 );
74			return false;
75	dpavlin	159	}
76
77			function prev_page() {
78	dpavlin	160	load_results_page( get_page_nr() - 1 );
79			return false;
80	dpavlin	159	}
81
82			/*
83			submit results form using AJAX
84			*/
85			function submit_results_form() {
86	dpavlin	138	var results_form = $('results_form');
87	dpavlin	137
88	dpavlin	138	if (results_form) {
89	dpavlin	161	var form_params = Form.serialize( results_form );
90	dpavlin	138
91	dpavlin	161	Logger.debug('Ajax.Updater(results,/results) '+form_params);
92
93	dpavlin	153	new Ajax.Updater( 'results', '/search/results', {
94	dpavlin	161	parameters: form_params,
95	dpavlin	138	asynchronous: 1,
96			onLoading: function(request) {
97			show_searching();
98			},
99			onLoaded: function(request) {
100			hide_searching();
101			}
102			} ) ;
103			return false;
104			} else {
105			Logger.debug('no results_form element');
106			return undef;
107			}
108	dpavlin	160	return false;
109	dpavlin	97	}
110	dpavlin	106
111	dpavlin	159	/*
112			helper functions for submit_results_form()
113			*/
114	dpavlin	106	function show_searching() {
115	dpavlin	138	Logger.debug('show_searching');
116	dpavlin	106	Element.show('searching');
117	dpavlin	183	// new Effect.Fade('results', { duration: 0.3 });
118	dpavlin	160	return false;
119	dpavlin	106	}
120
121			function hide_searching() {
122	dpavlin	138	Logger.debug('hide_searching');
123	dpavlin	106	Element.hide('searching');
124	dpavlin	186	// new Effect.Highlight('results');
125	dpavlin	183	// new Effect.Appear('results', { duration: 0.3 });
126	dpavlin	160	return false;
127	dpavlin	106	}
128
129	dpavlin	187	/*
130			load record nr in some template
131			*/
132
133			function load_rec(nr, tmp_template_filename) {
134			if (! tmp_template_filename) tmp_template_filename = template_filename;
135			Logger.info('load_rec '+nr+' in '+tmp_template_filename);
136
137			var results_form = $('results_form');
138
139			if (results_form) {
140			var args = '?mfn='+nr+'&template_filename='+tmp_template_filename;
141			Logger.debug('Ajax.Updater(results,/search/record) '+args);
142
143			new Ajax.Updater( 'results', '/search/record'+args, {
144			asynchronous: 1,
145			onLoading: function(request) {
146			show_searching();
147			},
148			onLoaded: function(request) {
149			hide_searching();
150			}
151			} ) ;
152			return false;
153			} else {
154			Logger.debug('no results_form element');
155			return undef;
156			}
157			return false;
158			}
159	dpavlin	203
160			/*
161			autocompleter which isn't (a suggest box)
162			- don't just on first option on appear
163			- removed fade-in/out effect
164			- added configurable width (content width? centered?)
165			- add icon which means suggest
166
167			hopefully, this implementation won't break when I update prototype next time :-)
168			*/
169
170			Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.prototype), {
171			initialize: function(element, update, url, options) {
172			this.baseInitialize(element, update, options);
173			this.options.asynchronous = true;
174			this.options.onComplete = this.onComplete.bind(this);
175			this.options.defaultParams = this.options.parameters \|\| null;
176			this.url = url;
177			this.ignoreReturn = true;
178
179			this.options.onShow = function(element, update) {
180			if(!update.style.position \|\| update.style.position=='absolute') {
181			update.style.position = 'absolute';
182			Position.clone(element, update, {setHeight: false, offsetTop: element.offsetHeight});
183			}
184			new Element.show(update);
185			Logger.debug('Ajax.Suggest.onShow');
186			};
187
188			this.options.onHide = function(element, update) {
189			new Element.hide(update);
190			Logger.debug('Ajax.Suggest.onHide');
191			};
192			},
193
194			getUpdatedChoices: function() {
195			entry = encodeURIComponent(this.options.paramName) + '=' +
196			encodeURIComponent(this.getToken());
197
198			this.options.parameters = this.options.callback ?
199			this.options.callback(this.element, entry) : entry;
200
201			if(this.options.defaultParams)
202			this.options.parameters += '&' + this.options.defaultParams;
203
204			Logger.debug('Ajax.Suggest called '+this.url);
205			new Ajax.Request(this.url, this.options);
206			},
207
208			onComplete: function(request) {
209			Logger.debug('Ajax.Suggest onComplete called');
210			this.updateChoices(request.responseText);
211			},
212
213			markPrevious: function() {
214			if(this.index > 0) this.index--
215			// else this.index = this.entryCount-1;
216			},
217
218			markNext: function() {
219			if(this.index < this.entryCount-1) this.index++
220			// else this.index = 0;
221			},
222
223			});