Alien-GvaScript

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lib/Alien/GvaScript/lib/GvaScript.js  view on Meta::CPAN

  return Object.extend(Object.clone(defaultOptions), ctorOptions);
};


Object.extend(Event, {

  detailedStop: function(event, toStop) {
    if (toStop.preventDefault) {
      if (event.preventDefault) event.preventDefault();
      else                      event.returnValue = false;
    }
    if (toStop.stopPropagation) {
      if (event.stopPropagation) event.stopPropagation();
      else                       event.cancelBubble = true;
    }
  },

  stopAll:  {stopPropagation: true, preventDefault: true},
  stopNone: {stopPropagation: false, preventDefault: false}

});

function ASSERT (cond, msg) {
  if (!cond)
    throw new Error("Violated assertion: " + msg);
}

// detects if a global CSS_PREFIX has been set
// if yes, use it to prefix the css classes
// default to gva
function CSSPREFIX () {
    if(typeof CSS_PREFIX != 'undefined') {
        return (CSS_PREFIX)? CSS_PREFIX : 'gva';
    }
    return 'gva';
}

/**
 *
 * Cross-Browser Split 1.0.1 
 * (c) Steven Levithan <stevenlevithan.com>; MIT License
 * in order to fix a bug with String.prototype.split(RegExp) and Internet Explorer
 * [http://blog.stevenlevithan.com/archives/cross-browser-split]
 * An ECMA-compliant, uniform cross-browser split method
 *
 * */

var cbSplit;

// avoid running twice, which would break `cbSplit._nativeSplit`'s reference to the native `split`
if (!cbSplit) {

cbSplit = function (str, separator, limit) {
    // if `separator` is not a regex, use the native `split`
    if (Object.prototype.toString.call(separator) !== "[object RegExp]") {
        return cbSplit._nativeSplit.call(str, separator, limit);
    }

    var output = [],
        lastLastIndex = 0,
        flags = (separator.ignoreCase ? "i" : "") +
                (separator.multiline  ? "m" : "") +
                (separator.sticky     ? "y" : ""),
        separator = RegExp(separator.source, flags + "g"), // make `global` and avoid `lastIndex` issues by working with a copy
        separator2, match, lastIndex, lastLength;

    str = str + ""; // type conversion
    if (!cbSplit._compliantExecNpcg) {
        separator2 = RegExp("^" + separator.source + "$(?!\\s)", flags); // doesn't need /g or /y, but they don't hurt
    }

    /* behavior for `limit`: if it's...
    - `undefined`: no limit.
    - `NaN` or zero: return an empty array.
    - a positive number: use `Math.floor(limit)`.
    - a negative number: no limit.
    - other: type-convert, then use the above rules. */
    if (limit === undefined || +limit < 0) {
        limit = Infinity;
    } else {
        limit = Math.floor(+limit);
        if (!limit) {
            return [];
        }
    }

    while (match = separator.exec(str)) {
        lastIndex = match.index + match[0].length; // `separator.lastIndex` is not reliable cross-browser

        if (lastIndex > lastLastIndex) {
            output.push(str.slice(lastLastIndex, match.index));

            // fix browsers whose `exec` methods don't consistently return `undefined` for nonparticipating capturing groups
            if (!cbSplit._compliantExecNpcg && match.length > 1) {
                match[0].replace(separator2, function () {
                    for (var i = 1; i < arguments.length - 2; i++) {
                        if (arguments[i] === undefined) {
                            match[i] = undefined;
                        }
                    }
                });
            }

            if (match.length > 1 && match.index < str.length) {
                Array.prototype.push.apply(output, match.slice(1));
            }

            lastLength = match[0].length;
            lastLastIndex = lastIndex;

            if (output.length >= limit) {
                break;
            }
        }

        if (separator.lastIndex === match.index) {
            separator.lastIndex++; // avoid an infinite loop
        }
    }

    if (lastLastIndex === str.length) {
        if (lastLength || !separator.test("")) {
            output.push("");
        }
    } else {
        output.push(str.slice(lastLastIndex));
    }

    return output.length > limit ? output.slice(0, limit) : output;

lib/Alien/GvaScript/lib/GvaScript.js  view on Meta::CPAN

        }
        if(this.hasNext()) {
            this.forward.removeClassName('inactive');
            this.last.removeClassName('inactive');
        }
        else {
            this.forward.addClassName('inactive');
            this.last.addClassName('inactive');
        }
        this.links_container.show();
    }
    /* Create pagination controls and append them to the placeholder 'PG:frame' */
    function _addPaginationElts() {
        // append the pagination buttons
        this.links_container.insert(pagination_buttons);

        this.first    = this.links_container.down('.first');
        this.last     = this.links_container.down('.last');
        this.forward  = this.links_container.down('.forward');
        this.back     = this.links_container.down('.back');
        this.textElem = this.links_container.down('.text');

        this.first.observe  ('click', this.getFirstPage.bind(this));
        this.last.observe   ('click', this.getLastPage.bind(this));
        this.back.observe   ('click', this.getPrevPage.bind(this));
        this.forward.observe('click', this.getNextPage.bind(this));
    }

    return {
        destroy: function() {
            this.first.stopObserving();
            this.last.stopObserving();
            this.back.stopObserving();
            this.forward.stopObserving();
        },
        initialize: function(url, options) {

            var defaults = {
                reset                : 'no',    // if yes, first call sends RESET=yes,
                                                // subsequent calls don't (useful for
                                                // resetting cache upon first request)
                step                 : 20,

                method               : 'post',  // POST so we get dispatched to *_PROCESS_FORM
                parameters           : $H({}),
                onSuccess            : Prototype.emptyFunction,

                lazy                 : false,   // false: load first page with Paginator initialization
                                                // true: donot load automatically, loadContent would
                                                // have to be called explicity
                timeoutAjax          : 15,
                errorMsg             : "Problème de connexion. Réessayer et si le problème persiste, contacter un administrateur."
            };
            this.options = Object.extend(defaults, options || {});
            this.options.errorMsg = "<h3 style='color: #183E6C'>" + this.options.errorMsg + "</h3>";

            this.links_container = $(this.options.links_container);
            this.list_container  = $(this.options.list_container);
            this.url             = url;

            // initialization of flags
            this.index         = 1;
            this.end_index     = 0;
            this.total         = 0;

            this._executing    = false; // loadContent one at a time

            // set the css for the paginator container
            this.links_container.addClassName(paginator_css);
            // and hide it
            this.links_container.hide();
            // add the pagination elements (next/prev links + text)
            _addPaginationElts.apply(this);

            this.links_container.addClassName(bcss+'-widget');
            this.links_container.store('widget', this);

            // load content by XHR
            if(!this.options.lazy) this.loadContent();
        },

        hasPrevious: function() {
            return this.index != 1;
        },

        hasNext: function() {
            return this.end_index != this.total;
        },

        /* Get the next set of index to 1records from the current url */
        getNextPage: function(btn) {
            if(this._executing == false && this.hasNext()) {
                this.index += this.options.step;
                this.loadContent();
                return true;
            }
            else
            return false;
        },

        /* Get the prev set of records from the current url */
        getPrevPage: function() {
            if(this._executing == false && this.hasPrevious()) {
                this.index -= this.options.step;
                this.loadContent();
                return true;
            }
            else
            return false;
        },

        getLastPage: function() {
            if(this._executing == false && this.hasNext()) {
                this.index = Math.floor(this.total/this.options.step)*this.options.step+1;
                this.loadContent();
                return true;
            }
            else
            return false;
        },

lib/Alien/GvaScript/lib/GvaScript.js  view on Meta::CPAN

      //var target = container.down('[autofocus]');
      var target = _find_autofocus(container);
      // TODO : check if target is visible
      if (target) try {target.activate()}
                  catch(e){}
    }
  },

  /**
    * wrapper around Element.register method.
    * method wrapped for special handling of form inputs
    * 'change' and 'init' events
    *
    * all handlers will receive 'event' object as a first argument.
    * 'change' handler will also receive input's oldvalue/newvalue as
    * second and third arguments respectively.
    * 'init' handler will also receive input's newvalue as a
    * second argument.
    *
    * @param {string} query : css selector to match elements
    *                         to watch
    * @param {string} eventname : standard event name that can be triggered
    *                             by form inputs + the custom 'init' event
    *                             that is triggerd on form initialization
    * @param {Function} handler : function to execute.
    *
    * @return undefined
    */
  register: function(form, query, eventname, handler) {
      form = $(form);

      switch(eventname) {
        // change event doesnot bubble in IE
        // rely on blur event to check for change
        // and fire value:change event
        case 'change':
          form.register(query, 'focus', function(event) {
              var elt = event._target;
              elt.store('value', elt.getValue());
          });

          form.register(query, 'blur', function(event) {
              var elt      = event._target;
              var oldvalue = elt.retrieve('value');
              var newvalue = elt.getValue();

              if(oldvalue != newvalue) {
                  elt.fire('value:change', {
                      oldvalue : oldvalue,
                      newvalue : newvalue,
                      handler  : handler
                  });
                  elt.store('value', newvalue);
              }
          });
        break;

        // value:init fired by GvaScript.Form.fill_from_tree method
        // used in formElt initialization
        case 'init':
          // set a flag here in order to fire the 
          // value:init custom event while initializing
          // the form 
          form.has_init_registered = true;

          form.register(query, 'value:init', function(event) {
              handler(event, event.memo.newvalue);
          });
        break;

        default:
          form.register(query, eventname, handler);
        break;
      }
  },

  /**
    * wrapper around Element.unregister method.
    * method wrapped for special handling of form inputs
    * 'change' and 'init' events
    *
    * remove handler attached to eventname for inputs that match query
    *
    * @param {string} query : css selector to remove handlers from
    * @param {string} eventname : eventname to stop observing
    * @param {Funtion} handler : handler to stop firing oneventname
    *                            NOTE: should be identical to what was used in
    *                            register method.
    *                            {optional} : if not specified, will remove all
    *                            handlers attached to eventname for indicated selector
    * @return undefined
    */
  unregister: function(form, query, eventname, handler) {
    form = $(form);

    switch(eventname) {
      case 'change' :
        form.unregister(query, 'focus', handler);
        form.unregister(query, 'blur',  handler);
      break;
      default :
        form.unregister(query, eventname, handler);
      break;
    }
  }
}

Object.extend(GvaScript.Form.prototype, function() {
    // private method to initialize and add actions
    // to form's actions bar
    function _addActionButtons(form) {
        var _actionsbar = $H(form.options.actionsbar);
        if(_actions_container = _actionsbar.get('container')) {
            _actions_container = $(_actions_container);
            _actions_list = _actionsbar.get('actions') || [];

            form.actionsbar = new GvaScript.CustomButtons.ActionsBar(_actions_container, {
                selectfirst: _actionsbar.get('selectfirst') ,
                actions: _actions_list
            });
        }