QuickPlot-0.1.0.0: src/frontend/gridstack.js
// gridstack.js 0.2.4-dev
// http://troolee.github.io/gridstack.js/
// (c) 2014-2016 Pavel Reznikov
// gridstack.js may be freely distributed under the MIT license.
(function(factory) {
if (typeof define === 'function' && define.amd) {
define(['jquery', 'lodash', 'jquery-ui/core', 'jquery-ui/widget', 'jquery-ui/mouse', 'jquery-ui/draggable',
'jquery-ui/resizable'], factory);
}
else if (typeof exports !== 'undefined') {
try { jQuery = require('jquery'); } catch(e) {}
try { _ = require('lodash'); } catch(e) {}
factory(jQuery, _);
}
else {
factory(jQuery, _);
}
})(function($, _) {
var scope = window;
var Utils = {
is_intercepted: function(a, b) {
return !(a.x + a.width <= b.x || b.x + b.width <= a.x || a.y + a.height <= b.y || b.y + b.height <= a.y);
},
sort: function(nodes, dir, width) {
width = width || _.chain(nodes).map(function(node) { return node.x + node.width; }).max().value();
dir = dir != -1 ? 1 : -1;
return _.sortBy(nodes, function(n) { return dir * (n.x + n.y * width); });
},
create_stylesheet: function(id) {
var style = document.createElement('style');
style.setAttribute('type', 'text/css');
style.setAttribute('data-gs-id', id);
if (style.styleSheet) {
style.styleSheet.cssText = '';
}
else {
style.appendChild(document.createTextNode(''));
}
document.getElementsByTagName('head')[0].appendChild(style);
return style.sheet;
},
remove_stylesheet: function(id) {
$("STYLE[data-gs-id=" + id +"]").remove();
},
insert_css_rule: function(sheet, selector, rules, index) {
if (typeof sheet.insertRule === 'function') {
sheet.insertRule(selector + '{' + rules + '}', index);
}
else if (typeof sheet.addRule === 'function') {
sheet.addRule(selector, rules, index);
}
},
toBool: function(v) {
if (typeof v == 'boolean')
return v;
if (typeof v == 'string') {
v = v.toLowerCase();
return !(v == '' || v == 'no' || v == 'false' || v == '0');
}
return Boolean(v);
}
};
var id_seq = 0;
var GridStackEngine = function(width, onchange, float_mode, height, items) {
this.width = width;
this['float'] = float_mode || false;
this.height = height || 0;
this.nodes = items || [];
this.onchange = onchange || function() {};
this._update_counter = 0;
this._float = this['float'];
};
GridStackEngine.prototype.batch_update = function() {
this._update_counter = 1;
this.float = true;
};
GridStackEngine.prototype.commit = function() {
this._update_counter = 0;
if (this._update_counter == 0) {
this.float = this._float;
this._pack_nodes();
this._notify();
}
};
GridStackEngine.prototype._fix_collisions = function(node) {
this._sort_nodes(-1);
var nn = node, has_locked = Boolean(_.find(this.nodes, function(n) { return n.locked }));
if (!this.float && !has_locked) {
nn = {x: 0, y: node.y, width: this.width, height: node.height};
}
while (true) {
var collision_node = _.find(this.nodes, _.bind(function(n) {
return n != node && Utils.is_intercepted(n, nn);
}, this));
if (typeof collision_node == 'undefined') {
return;
}
this.move_node(collision_node, collision_node.x, node.y + node.height,
collision_node.width, collision_node.height, true);
}
};
GridStackEngine.prototype.is_area_empty = function(x, y, width, height) {
var nn = {x: x || 0, y: y || 0, width: width || 1, height: height || 1};
var collision_node = _.find(this.nodes, _.bind(function(n) {
return Utils.is_intercepted(n, nn);
}, this));
return collision_node == null;
};
GridStackEngine.prototype._sort_nodes = function(dir) {
this.nodes = Utils.sort(this.nodes, dir, this.width);
};
GridStackEngine.prototype._pack_nodes = function() {
this._sort_nodes();
if (this.float) {
_.each(this.nodes, _.bind(function(n, i) {
if (n._updating || typeof n._orig_y == 'undefined' || n.y == n._orig_y)
return;
var new_y = n.y;
while (new_y >= n._orig_y) {
var collision_node = _.chain(this.nodes)
.find(function(bn) {
return n != bn &&
Utils.is_intercepted({x: n.x, y: new_y, width: n.width, height: n.height}, bn);
})
.value();
if (!collision_node) {
n._dirty = true;
n.y = new_y;
}
--new_y;
}
}, this));
}
else {
_.each(this.nodes, _.bind(function(n, i) {
if (n.locked)
return;
while (n.y > 0) {
var new_y = n.y - 1;
var can_be_moved = i == 0;
if (i > 0) {
var collision_node = _.chain(this.nodes)
.take(i)
.find(function(bn) {
return Utils.is_intercepted({x: n.x, y: new_y, width: n.width, height: n.height}, bn);
})
.value();
can_be_moved = typeof collision_node == 'undefined';
}
if (!can_be_moved) {
break;
}
n._dirty = n.y != new_y;
n.y = new_y;
}
}, this));
}
};
GridStackEngine.prototype._prepare_node = function(node, resizing) {
node = _.defaults(node || {}, {width: 1, height: 1, x: 0, y: 0 });
node.x = parseInt('' + node.x);
node.y = parseInt('' + node.y);
node.width = parseInt('' + node.width);
node.height = parseInt('' + node.height);
node.auto_position = node.auto_position || false;
node.no_resize = node.no_resize || false;
node.no_move = node.no_move || false;
if (node.width > this.width) {
node.width = this.width;
}
else if (node.width < 1) {
node.width = 1;
}
if (node.height < 1) {
node.height = 1;
}
if (node.x < 0) {
node.x = 0;
}
if (node.x + node.width > this.width) {
if (resizing) {
node.width = this.width - node.x;
}
else {
node.x = this.width - node.width;
}
}
if (node.y < 0) {
node.y = 0;
}
return node;
};
GridStackEngine.prototype._notify = function() {
if (this._update_counter) {
return;
}
var deleted_nodes = Array.prototype.slice.call(arguments, 1).concat(this.get_dirty_nodes());
deleted_nodes = deleted_nodes.concat(this.get_dirty_nodes());
this.onchange(deleted_nodes);
};
GridStackEngine.prototype.clean_nodes = function() {
_.each(this.nodes, function(n) {n._dirty = false });
};
GridStackEngine.prototype.get_dirty_nodes = function() {
return _.filter(this.nodes, function(n) { return n._dirty; });
};
GridStackEngine.prototype.add_node = function(node) {
node = this._prepare_node(node);
if (typeof node.max_width != 'undefined') node.width = Math.min(node.width, node.max_width);
if (typeof node.max_height != 'undefined') node.height = Math.min(node.height, node.max_height);
if (typeof node.min_width != 'undefined') node.width = Math.max(node.width, node.min_width);
if (typeof node.min_height != 'undefined') node.height = Math.max(node.height, node.min_height);
node._id = ++id_seq;
node._dirty = true;
if (node.auto_position) {
this._sort_nodes();
for (var i = 0;; ++i) {
var x = i % this.width, y = Math.floor(i / this.width);
if (x + node.width > this.width) {
continue;
}
if (!_.find(this.nodes, function(n) {
return Utils.is_intercepted({x: x, y: y, width: node.width, height: node.height}, n);
})) {
node.x = x;
node.y = y;
break;
}
}
}
this.nodes.push(node);
this._fix_collisions(node);
this._pack_nodes();
this._notify();
return node;
};
GridStackEngine.prototype.remove_node = function(node) {
node._id = null;
this.nodes = _.without(this.nodes, node);
this._pack_nodes();
this._notify(node);
};
GridStackEngine.prototype.can_move_node = function(node, x, y, width, height) {
var has_locked = Boolean(_.find(this.nodes, function(n) { return n.locked }));
if (!this.height && !has_locked)
return true;
var cloned_node;
var clone = new GridStackEngine(
this.width,
null,
this.float,
0,
_.map(this.nodes, function(n) {
if (n == node) {
cloned_node = $.extend({}, n);
return cloned_node;
}
return $.extend({}, n);
}));
clone.move_node(cloned_node, x, y, width, height);
var res = true;
if (has_locked)
res &= !Boolean(_.find(clone.nodes, function(n) {
return n != cloned_node && Boolean(n.locked) && Boolean(n._dirty);
}));
if (this.height)
res &= clone.get_grid_height() <= this.height;
return res;
};
GridStackEngine.prototype.can_be_placed_with_respect_to_height = function(node) {
if (!this.height)
return true;
var clone = new GridStackEngine(
this.width,
null,
this.float,
0,
_.map(this.nodes, function(n) { return $.extend({}, n) }));
clone.add_node(node);
return clone.get_grid_height() <= this.height;
};
GridStackEngine.prototype.move_node = function(node, x, y, width, height, no_pack) {
if (typeof x != 'number') x = node.x;
if (typeof y != 'number') y = node.y;
if (typeof width != 'number') width = node.width;
if (typeof height != 'number') height = node.height;
if (typeof node.max_width != 'undefined') width = Math.min(width, node.max_width);
if (typeof node.max_height != 'undefined') height = Math.min(height, node.max_height);
if (typeof node.min_width != 'undefined') width = Math.max(width, node.min_width);
if (typeof node.min_height != 'undefined') height = Math.max(height, node.min_height);
if (node.x == x && node.y == y && node.width == width && node.height == height) {
return node;
}
var resizing = node.width != width;
node._dirty = true;
node.x = x;
node.y = y;
node.width = width;
node.height = height;
node = this._prepare_node(node, resizing);
this._fix_collisions(node);
if (!no_pack) {
this._pack_nodes();
this._notify();
}
return node;
};
GridStackEngine.prototype.get_grid_height = function() {
return _.reduce(this.nodes, function(memo, n) { return Math.max(memo, n.y + n.height); }, 0);
};
GridStackEngine.prototype.begin_update = function(node) {
_.each(this.nodes, function(n) {
n._orig_y = n.y;
});
node._updating = true;
};
GridStackEngine.prototype.end_update = function() {
_.each(this.nodes, function(n) {
n._orig_y = n.y;
});
var n = _.find(this.nodes, function(n) { return n._updating; });
if (n) {
n._updating = false;
}
};
var GridStack = function(el, opts) {
var self = this, one_column_mode;
opts = opts || {};
this.container = $(el);
opts.item_class = opts.item_class || 'grid-stack-item';
var is_nested = this.container.closest('.' + opts.item_class).size() > 0;
this.opts = _.defaults(opts || {}, {
width: parseInt(this.container.attr('data-gs-width')) || 12,
height: parseInt(this.container.attr('data-gs-height')) || 0,
item_class: 'grid-stack-item',
placeholder_class: 'grid-stack-placeholder',
placeholder_text: '',
handle: '.grid-stack-item-content',
handle_class: null,
cell_height: 60,
vertical_margin: 20,
auto: true,
min_width: 768,
float: false,
static_grid: false,
_class: 'grid-stack-instance-' + (Math.random() * 10000).toFixed(0),
animate: Boolean(this.container.attr('data-gs-animate')) || false,
always_show_resize_handle: opts.always_show_resize_handle || false,
resizable: _.defaults(opts.resizable || {}, {
autoHide: !(opts.always_show_resize_handle || false),
handles: 'se'
}),
draggable: _.defaults(opts.draggable || {}, {
handle: (opts.handle_class ? '.' + opts.handle_class : (opts.handle ? opts.handle : '')) || '.grid-stack-item-content',
scroll: false,
appendTo: 'body'
})
});
this.opts.is_nested = is_nested;
this.container.addClass(this.opts._class);
this._set_static_class();
if (is_nested) {
this.container.addClass('grid-stack-nested');
}
this._init_styles();
this.grid = new GridStackEngine(this.opts.width, function(nodes) {
var max_height = 0;
_.each(nodes, function(n) {
if (n._id == null) {
n.el.remove();
}
else {
n.el
.attr('data-gs-x', n.x)
.attr('data-gs-y', n.y)
.attr('data-gs-width', n.width)
.attr('data-gs-height', n.height);
max_height = Math.max(max_height, n.y + n.height);
}
});
self._update_styles(max_height + 10);
}, this.opts.float, this.opts.height);
if (this.opts.auto) {
var elements = [];
var _this = this;
this.container.children('.' + this.opts.item_class + ':not(.' + this.opts.placeholder_class + ')').each(function(index, el) {
el = $(el);
elements.push({
el: el,
i: parseInt(el.attr('data-gs-x')) + parseInt(el.attr('data-gs-y')) * _this.opts.width
});
});
_.chain(elements).sortBy(function(x) { return x.i; }).each(function(i) {
self._prepare_element(i.el);
}).value();
}
this.set_animation(this.opts.animate);
this.placeholder = $(
'<div class="' + this.opts.placeholder_class + ' ' + this.opts.item_class + '">' +
'<div class="placeholder-content">' + this.opts.placeholder_text + '</div></div>').hide();
this.container.height(
this.grid.get_grid_height() * (this.opts.cell_height + this.opts.vertical_margin) -
this.opts.vertical_margin);
this.on_resize_handler = function() {
if (self._is_one_column_mode()) {
if (one_column_mode)
return;
one_column_mode = true;
self.grid._sort_nodes();
_.each(self.grid.nodes, function(node) {
self.container.append(node.el);
if (self.opts.static_grid) {
return;
}
if (!node.no_move) {
node.el.draggable('disable');
}
if (!node.no_resize) {
node.el.resizable('disable');
}
});
}
else {
if (!one_column_mode)
return;
one_column_mode = false;
if (self.opts.static_grid) {
return;
}
_.each(self.grid.nodes, function(node) {
if (!node.no_move) {
node.el.draggable('enable');
}
if (!node.no_resize) {
node.el.resizable('enable');
}
});
}
};
$(window).resize(this.on_resize_handler);
this.on_resize_handler();
};
GridStack.prototype._trigger_change_event = function(forceTrigger) {
var elements = this.grid.get_dirty_nodes();
var hasChanges = false;
var eventParams = [];
if (elements && elements.length) {
eventParams.push(elements);
hasChanges = true;
}
if (hasChanges || forceTrigger === true) {
this.container.trigger('change', eventParams);
}
};
GridStack.prototype._init_styles = function() {
if (this._styles_id) {
$('[data-gs-id="' + this._styles_id + '"]').remove();
}
this._styles_id = 'gridstack-style-' + (Math.random() * 100000).toFixed();
this._styles = Utils.create_stylesheet(this._styles_id);
if (this._styles != null)
this._styles._max = 0;
};
GridStack.prototype._update_styles = function(max_height) {
if (this._styles == null) {
return;
}
var prefix = '.' + this.opts._class + ' .' + this.opts.item_class;
if (typeof max_height == 'undefined') {
max_height = this._styles._max;
this._init_styles();
this._update_container_height();
}
if (this._styles._max == 0) {
Utils.insert_css_rule(this._styles, prefix, 'min-height: ' + (this.opts.cell_height) + 'px;', 0);
}
if (max_height > this._styles._max) {
for (var i = this._styles._max; i < max_height; ++i) {
Utils.insert_css_rule(this._styles,
prefix + '[data-gs-height="' + (i + 1) + '"]',
'height: ' + (this.opts.cell_height * (i + 1) + this.opts.vertical_margin * i) + 'px;',
i
);
Utils.insert_css_rule(this._styles,
prefix + '[data-gs-min-height="' + (i + 1) + '"]',
'min-height: ' + (this.opts.cell_height * (i + 1) + this.opts.vertical_margin * i) + 'px;',
i
);
Utils.insert_css_rule(this._styles,
prefix + '[data-gs-max-height="' + (i + 1) + '"]',
'max-height: ' + (this.opts.cell_height * (i + 1) + this.opts.vertical_margin * i) + 'px;',
i
);
Utils.insert_css_rule(this._styles,
prefix + '[data-gs-y="' + i + '"]',
'top: ' + (this.opts.cell_height * i + this.opts.vertical_margin * i) + 'px;',
i
);
}
this._styles._max = max_height;
}
};
GridStack.prototype._update_container_height = function() {
if (this.grid._update_counter) {
return;
}
this.container.height(
this.grid.get_grid_height() * (this.opts.cell_height + this.opts.vertical_margin) -
this.opts.vertical_margin);
};
GridStack.prototype._is_one_column_mode = function() {
return (window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth) <=
this.opts.min_width;
};
GridStack.prototype._prepare_element = function(el) {
var self = this;
el = $(el);
el.addClass(this.opts.item_class);
var node = self.grid.add_node({
x: el.attr('data-gs-x'),
y: el.attr('data-gs-y'),
width: el.attr('data-gs-width'),
height: el.attr('data-gs-height'),
max_width: el.attr('data-gs-max-width'),
min_width: el.attr('data-gs-min-width'),
max_height: el.attr('data-gs-max-height'),
min_height: el.attr('data-gs-min-height'),
auto_position: Utils.toBool(el.attr('data-gs-auto-position')),
no_resize: Utils.toBool(el.attr('data-gs-no-resize')),
no_move: Utils.toBool(el.attr('data-gs-no-move')),
locked: Utils.toBool(el.attr('data-gs-locked')),
el: el
});
el.data('_gridstack_node', node);
if (self.opts.static_grid) {
return;
}
var cell_width, cell_height;
var drag_or_resize = function(event, ui) {
var x = Math.round(ui.position.left / cell_width),
y = Math.floor((ui.position.top + cell_height / 2) / cell_height),
width, height;
if (event.type != "drag") {
width = Math.round(ui.size.width / cell_width);
height = Math.round(ui.size.height / cell_height);
}
if (!self.grid.can_move_node(node, x, y, width, height)) {
return;
}
self.grid.move_node(node, x, y, width, height);
self._update_container_height();
};
var on_start_moving = function(event, ui) {
self.container.append(self.placeholder);
var o = $(this);
self.grid.clean_nodes();
self.grid.begin_update(node);
cell_width = o.outerWidth() / o.attr('data-gs-width');
cell_height = self.opts.cell_height + self.opts.vertical_margin;
self.placeholder
.attr('data-gs-x', o.attr('data-gs-x'))
.attr('data-gs-y', o.attr('data-gs-y'))
.attr('data-gs-width', o.attr('data-gs-width'))
.attr('data-gs-height', o.attr('data-gs-height'))
.show();
node.el = self.placeholder;
el.resizable('option', 'minWidth', Math.round(cell_width * (node.min_width || 1)));
el.resizable('option', 'minHeight', self.opts.cell_height * (node.min_height || 1));
if (event.type == 'resizestart') {
o.find('.grid-stack-item').trigger('resizestart');
}
};
var on_end_moving = function(event, ui) {
self.placeholder.detach();
var o = $(this);
node.el = o;
self.placeholder.hide();
o
.attr('data-gs-x', node.x)
.attr('data-gs-y', node.y)
.attr('data-gs-width', node.width)
.attr('data-gs-height', node.height)
.removeAttr('style');
self._update_container_height();
self._trigger_change_event();
self.grid.end_update();
var nested_grids = o.find('.grid-stack');
if (nested_grids.length && event.type == 'resizestop') {
nested_grids.each(function(index, el) {
$(el).data('gridstack').on_resize_handler();
});
o.find('.grid-stack-item').trigger('resizestop');
}
};
el
.draggable(_.extend(this.opts.draggable, {
containment: this.opts.is_nested ? this.container.parent() : null
}))
.on('dragstart', on_start_moving)
.on('dragstop', on_end_moving)
.on('drag', drag_or_resize)
.resizable(_.extend(this.opts.resizable, {}))
.on('resizestart', on_start_moving)
.on('resizestop', on_end_moving)
.on('resize', drag_or_resize);
if (node.no_move || this._is_one_column_mode()) {
el.draggable('disable');
}
if (node.no_resize || this._is_one_column_mode()) {
el.resizable('disable');
}
el.attr('data-gs-locked', node.locked ? 'yes' : null);
};
GridStack.prototype.set_animation = function(enable) {
if (enable) {
this.container.addClass('grid-stack-animate');
}
else {
this.container.removeClass('grid-stack-animate');
}
};
GridStack.prototype.add_widget = function(el, x, y, width, height, auto_position) {
el = $(el);
if (typeof x != 'undefined') el.attr('data-gs-x', x);
if (typeof y != 'undefined') el.attr('data-gs-y', y);
if (typeof width != 'undefined') el.attr('data-gs-width', width);
if (typeof height != 'undefined') el.attr('data-gs-height', height);
if (typeof auto_position != 'undefined') el.attr('data-gs-auto-position', auto_position ? 'yes' : null);
this.container.append(el);
this._prepare_element(el);
this._update_container_height();
this._trigger_change_event(true);
return el;
};
GridStack.prototype.make_widget = function(el) {
el = $(el);
this._prepare_element(el);
this._update_container_height();
this._trigger_change_event(true);
return el;
};
GridStack.prototype.will_it_fit = function(x, y, width, height, auto_position) {
var node = {x: x, y: y, width: width, height: height, auto_position: auto_position};
return this.grid.can_be_placed_with_respect_to_height(node);
};
GridStack.prototype.remove_widget = function(el, detach_node) {
detach_node = typeof detach_node === 'undefined' ? true : detach_node;
el = $(el);
var node = el.data('_gridstack_node');
this.grid.remove_node(node);
el.removeData('_gridstack_node');
this._update_container_height();
if (detach_node)
el.remove();
this._trigger_change_event(true);
};
GridStack.prototype.remove_all = function(detach_node) {
_.each(this.grid.nodes, _.bind(function(node) {
this.remove_widget(node.el, detach_node);
}, this));
this.grid.nodes = [];
this._update_container_height();
};
GridStack.prototype.destroy = function() {
$(window).off("resize", this.on_resize_handler);
this.disable();
this.container.remove();
Utils.remove_stylesheet(this._styles_id);
if (this.grid)
this.grid = null;
};
GridStack.prototype.resizable = function(el, val) {
var self = this;
el = $(el);
el.each(function(index, el) {
el = $(el);
var node = el.data('_gridstack_node');
if (typeof node == 'undefined' || node == null) {
return;
}
node.no_resize = !(val || false);
if (node.no_resize || self._is_one_column_mode()) {
el.resizable('disable');
}
else {
el.resizable('enable');
}
});
return this;
};
GridStack.prototype.movable = function(el, val) {
var self = this;
el = $(el);
el.each(function(index, el) {
el = $(el);
var node = el.data('_gridstack_node');
if (typeof node == 'undefined' || node == null) {
return;
}
node.no_move = !(val || false);
if (node.no_move || self._is_one_column_mode()) {
el.draggable('disable');
el.removeClass('ui-draggable-handle');
}
else {
el.draggable('enable');
el.addClass('ui-draggable-handle');
}
});
return this;
};
GridStack.prototype.disable = function() {
this.movable(this.container.children('.' + this.opts.item_class), false);
this.resizable(this.container.children('.' + this.opts.item_class), false);
this.container.trigger('disable');
};
GridStack.prototype.enable = function() {
this.movable(this.container.children('.' + this.opts.item_class), true);
this.resizable(this.container.children('.' + this.opts.item_class), true);
this.container.trigger('enable');
};
GridStack.prototype.locked = function(el, val) {
el = $(el);
el.each(function(index, el) {
el = $(el);
var node = el.data('_gridstack_node');
if (typeof node == 'undefined' || node == null) {
return;
}
node.locked = (val || false);
el.attr('data-gs-locked', node.locked ? 'yes' : null);
});
return this;
};
GridStack.prototype.min_height = function (el, val) {
el = $(el);
el.each(function (index, el) {
el = $(el);
var node = el.data('_gridstack_node');
if (typeof node == 'undefined' || node == null) {
return;
}
if(!isNaN(val)){
node.min_height = (val || false);
el.attr('data-gs-min-height', val);
}
});
return this;
};
GridStack.prototype.min_width = function (el, val) {
el = $(el);
el.each(function (index, el) {
el = $(el);
var node = el.data('_gridstack_node');
if (typeof node == 'undefined' || node == null) {
return;
}
if(!isNaN(val)){
node.min_width = (val || false);
el.attr('data-gs-min-width', val);
}
});
return this;
};
GridStack.prototype._update_element = function(el, callback) {
el = $(el).first();
var node = el.data('_gridstack_node');
if (typeof node == 'undefined' || node == null) {
return;
}
var self = this;
self.grid.clean_nodes();
self.grid.begin_update(node);
callback.call(this, el, node);
self._update_container_height();
self._trigger_change_event();
self.grid.end_update();
};
GridStack.prototype.resize = function(el, width, height) {
this._update_element(el, function(el, node) {
width = (width != null && typeof width != 'undefined') ? width : node.width;
height = (height != null && typeof height != 'undefined') ? height : node.height;
this.grid.move_node(node, node.x, node.y, width, height);
});
};
GridStack.prototype.move = function(el, x, y) {
this._update_element(el, function(el, node) {
x = (x != null && typeof x != 'undefined') ? x : node.x;
y = (y != null && typeof y != 'undefined') ? y : node.y;
this.grid.move_node(node, x, y, node.width, node.height);
});
};
GridStack.prototype.update = function(el, x, y, width, height) {
this._update_element(el, function(el, node) {
x = (x != null && typeof x != 'undefined') ? x : node.x;
y = (y != null && typeof y != 'undefined') ? y : node.y;
width = (width != null && typeof width != 'undefined') ? width : node.width;
height = (height != null && typeof height != 'undefined') ? height : node.height;
this.grid.move_node(node, x, y, width, height);
});
};
GridStack.prototype.cell_height = function(val) {
if (typeof val == 'undefined') {
return this.opts.cell_height;
}
val = parseInt(val);
if (val == this.opts.cell_height)
return;
this.opts.cell_height = val || this.opts.cell_height;
this._update_styles();
};
GridStack.prototype.cell_width = function() {
var o = this.container.children('.' + this.opts.item_class).first();
return Math.ceil(o.outerWidth() / o.attr('data-gs-width'));
};
GridStack.prototype.get_cell_from_pixel = function(position) {
var containerPos = this.container.position();
var relativeLeft = position.left - containerPos.left;
var relativeTop = position.top - containerPos.top;
var column_width = Math.floor(this.container.width() / this.opts.width);
var row_height = this.opts.cell_height + this.opts.vertical_margin;
return {x: Math.floor(relativeLeft / column_width), y: Math.floor(relativeTop / row_height)};
};
GridStack.prototype.batch_update = function() {
this.grid.batch_update();
};
GridStack.prototype.commit = function() {
this.grid.commit();
this._update_container_height();
};
GridStack.prototype.is_area_empty = function(x, y, width, height) {
return this.grid.is_area_empty(x, y, width, height);
};
GridStack.prototype.set_static = function(static_value) {
this.opts.static_grid = (static_value === true);
this._set_static_class();
};
GridStack.prototype._set_static_class = function() {
var static_class_name = 'grid-stack-static';
if (this.opts.static_grid === true) {
this.container.addClass(static_class_name);
} else {
this.container.removeClass(static_class_name);
}
};
scope.GridStackUI = GridStack;
scope.GridStackUI.Utils = Utils;
function event_stop_propagate(event) {
event.stopPropagation();
}
$.fn.gridstack = function(opts) {
return this.each(function() {
var o = $(this);
if (!o.data('gridstack')) {
o
.data('gridstack', new GridStack(this, opts))
.on('dragstart', event_stop_propagate)
.on('dragstop', event_stop_propagate)
.on('drag', event_stop_propagate)
.on('resizestart', event_stop_propagate)
.on('resizestop', event_stop_propagate)
.on('resize', event_stop_propagate)
.on('change', event_stop_propagate);
}
});
};
return scope.GridStackUI;
});