dynamicweb/static/cms/js/modules/cms.structureboard.js
rscnt fe4f6c97d5 new static files.
Signed-off-by: rscnt <rascnt@gmail.com>
2015-06-08 23:26:27 -06:00

493 lines
14 KiB
JavaScript

/*##################################################|*/
/* #CMS# */
(function($) {
// CMS.$ will be passed for $
$(document).ready(function () {
/*!
* StructureBoard
* handles drag & drop, mode switching and
*/
CMS.StructureBoard = new CMS.Class({
implement: [CMS.API.Helpers],
options: {
'speed': 300
},
initialize: function (options) {
this.container = $('.cms_structure');
this.options = $.extend(true, {}, this.options, options);
this.config = CMS.config;
this.settings = CMS.settings;
// elements
this.toolbar = $('#cms_toolbar');
this.sortables = $('.cms_draggables'); // use global scope
this.plugins = $('.cms_plugin');
this.render_model = $('.cms_render_model');
this.placeholders = $('.cms_placeholder');
this.dragitems = $('.cms_draggable');
this.dragareas = $('.cms_dragarea');
this.dropareas = $('.cms_droppable');
this.dimmer = this.container.find('.cms_structure-dimmer');
this.clipboard = $('.cms_clipboard');
// states
this.click = (document.ontouchstart !== null) ? 'click.cms' : 'tap.cms click.cms';
this.timer = function () {};
this.interval = function () {};
this.state = false;
this.dragging = false;
// setup initial stuff
this._setup();
// setup events
this._events();
},
// initial methods
_setup: function () {
var that = this;
// cancel if there are no dragareas
if(!this.dragareas.length) return false;
// cancel if there is no structure / content switcher
if(!this.toolbar.find('.cms_toolbar-item-cms-mode-switcher').length) return false;
// setup toolbar mode
if(this.settings.mode === 'structure') setTimeout(function () { that.show(true); }, 100);
// check if modes should be visible
if(this.placeholders.length) {
this.toolbar.find('.cms_toolbar-item-cms-mode-switcher').show();
}
// add drag & drop functionality
this._drag();
// prevent click events to detect double click
// this.preventEvents(this.plugins);
},
_events: function () {
var that = this;
var modes = this.toolbar.find('.cms_toolbar-item-cms-mode-switcher a');
// show edit mode
modes.eq(1).bind(this.click, function (e) {
e.preventDefault();
// cancel if already active
if(that.settings.mode === 'edit') return false;
// otherwise hide
that.hide();
});
// show structure mode
modes.eq(0).bind(this.click, function (e) {
e.preventDefault();
// cancel if already active
if(that.settings.mode === 'structure') return false;
// otherwise show
that.show();
});
// keyboard handling
$(document).bind('keydown', function (e) {
// check if we have an important focus
var fields = $('*:focus');
// 32 = space
if(e.keyCode === 32 && that.settings.mode === 'structure' && !fields.length) {
// cancel if there is no structure / content switcher
if(!that.toolbar.find('.cms_toolbar-item-cms-mode-switcher').length) return false;
e.preventDefault();
that.hide();
} else if(e.keyCode === 32 && that.settings.mode === 'edit' && !fields.length) {
// cancel if there is no structure / content switcher
if(!that.toolbar.find('.cms_toolbar-item-cms-mode-switcher').length) return false;
e.preventDefault();
that.show();
}
});
},
// public methods
show: function (init) {
// cancel show if live modus is active
if(CMS.config.mode === 'live') return false;
// set active item
var modes = this.toolbar.find('.cms_toolbar-item-cms-mode-switcher a');
modes.removeClass('cms_btn-active').eq(0).addClass('cms_btn-active');
// show clipboard
this.clipboard.css('opacity', 1).fadeIn(this.options.speed);
// apply new settings
this.settings.mode = 'structure';
if(!init) this.settings = this.setSettings(this.settings);
// ensure all elements are visible
this.dragareas.show();
// show canvas
this._showBoard();
},
hide: function (init) {
// cancel show if live modus is active
if(CMS.config.mode === 'live') return false;
// set active item
var modes = this.toolbar.find('.cms_toolbar-item-cms-mode-switcher a');
modes.removeClass('cms_btn-active').eq(1).addClass('cms_btn-active');
// hide clipboard if in edit mode
this.container.find('.cms_clipboard').hide();
// hide clipboard
this.clipboard.hide();
this.settings.mode = 'edit';
if(!init) this.settings = this.setSettings(this.settings);
// hide canvas
this._hideBoard();
},
getId: function (el) {
// cancel if no element is defined
if(el === undefined || el === null || el.length <= 0) return false;
var id = null;
var cls = el.attr('class').split(' ')[1];
if(el.hasClass('cms_plugin')) {
id = cls.replace('cms_plugin-', '');
} else if(el.hasClass('cms_draggable')) {
id = cls.replace('cms_draggable-', '');
} else if(el.hasClass('cms_placeholder')) {
id = cls.replace('cms_placeholder-', '');
} else if(el.hasClass('cms_dragbar')) {
id = cls.replace('cms_dragbar-', '');
} else if(el.hasClass('cms_dragarea')) {
id = cls.replace('cms_dragarea-', '');
}
return id;
},
getIds: function (els) {
var that = this;
var array = [];
els.each(function () {
array.push(that.getId($(this)));
});
return array;
},
setActive: function (id, state) {
var that = this;
// resets
this.dragitems.removeClass('cms_draggable-selected');
this.plugins.removeClass('cms_plugin-active');
// only reset if no id is provided
if(id === false) return false;
// attach active class to current element
var dragitem = $('.cms_draggable-' + id);
var plugin = $('.cms_plugin-' + id);
// if we switch from content to edit, show only a single plcaeholder
if(state) {
// quick show
this._showBoard();
// show clipboard
this.clipboard.show().css('opacity', 0.2);
// prevent default visibility
this.dragareas.css('opacity', 0.2);
// show single placeholder
dragitem.closest('.cms_dragarea').show().css('opacity', 1);
// otherwise hide and reset the board
} else {
this.hide();
}
// collapse all previous elements
var collapsed = dragitem.parentsUntil('.cms_dragarea').siblings().not('.cms_dragitem-expanded');
collapsed.trigger(this.click);
// set new classes
dragitem.addClass('cms_draggable-selected');
plugin.addClass('cms_plugin-active');
},
preventEvents: function (elements) {
var clicks = 0;
var delay = 500;
var timer = function () {};
// unbind click event if already initialized
elements.find('a').bind(this.click, function (e) {
e.preventDefault();
// increment
clicks++;
// single click
if(clicks === 1) {
timer = setTimeout(function () {
clicks = 0;
// cancel if link contains a hash
if($(e.currentTarget).attr('href').indexOf('#') === 0) return false;
// we need to redirect to the default behaviours
// all events will be lost in edit mode, use '#' if href should not be triggered
window.location.href = $(e.currentTarget).attr('href');
}, delay);
}
// double click
if(clicks === 2) {
clearTimeout(timer);
clicks = 0;
}
});
},
// private methods
_showBoard: function () {
var that = this;
var timer = function () {};
// show container
this.container.show();
this.dimmer.fadeIn(100);
this.dragareas.css('opacity', 1);
// add dimmer close
this.dimmer.bind('mousedown mouseup', function (e) {
// cancel on rightclick
if(e.which === 3 || e.button === 2) return false;
// proceed
clearTimeout(timer);
timer = setTimeout(function () {
that.hide();
}, 500);
if(e.type === 'mouseup') clearTimeout(timer);
});
this.plugins.not(this.render_model).hide();
this.placeholders.show();
// attach event
$(window).bind('resize.sideframe', function () {
that._resizeBoard();
}).trigger('resize.sideframe');
},
_hideBoard: function () {
// hide elements
this.container.hide();
this.plugins.show();
this.placeholders.hide();
this.dimmer.hide();
// detach event
$(window).unbind('resize.sideframe');
// clear interval
clearInterval(this.interval);
$(window).trigger('structureboard_hidden.sideframe');
},
_resizeBoard: function () {
// calculate placeholder position
var id = null;
var area = null;
var min = null;
var areaParentOffset = null;
// start calculating
this.placeholders.each(function (index, item) {
item = $(item);
id = item.data('settings').placeholder_id;
area = $('.cms_dragarea-' + id);
// to calculate the correct offset, we need to set the
// placeholders correct heights and than set the according position
item.height(area.outerHeight(true));
// set min width
min = (item.width()) ? 0 : 150;
// as area is "css positioned" and jquery offset function is relative to the
// document (not the first relative/absolute parent) we need to substract
// first relative/absolute parent offset.
areaParentOffset = $(area).offsetParent().offset();
area.css({
'top': item.offset().top - areaParentOffset.top - 5,
'left': item.offset().left - areaParentOffset.left - min,
'width': item.width() + min
});
});
},
_drag: function () {
var that = this;
var dropped = false;
var droparea = null;
var dropzone = null;
this.sortables.nestedSortable({
'items': '.cms_draggable',
'handle': '.cms_dragitem',
'placeholder': 'cms_droppable',
'connectWith': this.sortables,
'tolerance': 'pointer',
'toleranceElement': '> div',
'dropOnEmpty': true,
'forcePlaceholderSize': true,
'helper': 'clone',
'appendTo': 'body',
'cursor': 'move',
'opacity': 0.4,
'zIndex': 9999999,
'delay': 100,
'refreshPositions': true,
// nestedSortable
'listType': 'div.cms_draggables',
'doNotClear': true,
//'disableNestingClass': 'cms_draggable-disabled',
//'errorClass': 'cms_draggable-disallowed',
//'hoveringClass': 'cms_draggable-hover',
// methods
'start': function (e, ui) {
that.dragging = true;
// show empty
$('.cms_dragbar-empty-wrapper').show();
// ensure all menus are closed
$('.cms_dragitem .cms_submenu').hide();
// remove classes from empty dropzones
$('.cms_dragbar-empty').removeClass('cms_draggable-disallowed');
// fixes placeholder height
ui.placeholder.height(ui.item.height());
// show placeholder without entries
$('.cms_draggables').each(function () {
if($(this).children().length === 0) {
$(this).show();
}
});
},
'stop': function (event, ui) {
that.dragging = false;
// hide empty
$('.cms_dragbar-empty-wrapper').hide();
// cancel if isAllowed returns false
if(!that.state) return false;
// handle dropped event
if(dropped) {
droparea.prepend(ui.item);
dropped = false;
}
// we pass the id to the updater which checks within the backend the correct place
//var id = ui.item.attr('class').replace('cms_draggable cms_draggable-', '');
var id = that.getId(ui.item);
var plugin = $('.cms_plugin-' + id);
// check if we copy/paste a plugin or not
if(plugin.closest('.cms_clipboard').length) {
plugin.trigger('cms.plugin.update');
} else {
plugin.trigger('cms.plugins.update');
}
// reset placeholder without entries
$('.cms_draggables').each(function () {
if($(this).children().length === 0) {
$(this).hide();
}
});
},
'isAllowed': function(placeholder, placeholderParent, originalItem) {
// cancel if action is excecuted
if(CMS.API.locked) return false;
// getting restriction array
var bounds = [];
// save original state events
var original = $('.cms_plugin-' + that.getId(originalItem));
// cancel if item has no settings
if(original.length === 0 || original.data('settings') === null) return false;
var type = original.data('settings').plugin_type;
// prepare variables for bound
var holderId = that.getId(placeholder.closest('.cms_dragarea'));
var holder = $('.cms_placeholder-' + holderId);
var plugin = $('.cms_plugin-' + that.getId(placeholder.closest('.cms_draggable')));
// now set the correct bounds
if(holder.length) bounds = holder.data('settings').plugin_restriction;
if(plugin.length) bounds = plugin.data('settings').plugin_restriction;
if(dropzone) bounds = dropzone.data('settings').plugin_restriction;
// if parent has class disabled, dissalow drop
if(placeholder.parent().hasClass('cms_draggable-disabled')) return false;
// if restrictions is still empty, proceed
that.state = (bounds.length <= 0 || $.inArray(type, bounds) !== -1) ? true : false;
return that.state;
}
});
// attach escape event to cancel dragging
$(document).bind('keyup.cms', function(e, cancel){
if(e.keyCode === 27 || cancel) {
that.state = false;
that.sortables.sortable('cancel');
}
});
// define droppable helpers
this.dropareas.droppable({
'greedy': true,
'accept': '.cms_draggable',
'tolerance': 'pointer',
'activeClass': 'cms_draggable-allowed',
'hoverClass': 'cms_draggable-hover-allowed',
'over': function (event) {
dropzone = $('.cms_placeholder-' + that.getId($(event.target).parent().prev()));
timer = setInterval(function () {
// reset other empty placeholders
$('.cms_dragbar-empty').removeClass('cms_draggable-disallowed');
if(that.state) {
$(event.target).removeClass('cms_draggable-disallowed');
} else {
$(event.target).addClass('cms_draggable-disallowed');
}
}, 10);
},
'out': function (event) {
dropzone = null;
$(event.target).removeClass('cms_draggable-disallowed');
clearInterval(timer);
},
'drop': function (event) {
dropped = true;
droparea = $(event.target).parent().nextAll('.cms_draggables').first();
clearInterval(timer);
}
});
}
});
});
})(CMS.$);