You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
139 lines
3.2 KiB
139 lines
3.2 KiB
/**
|
|
* @constructor Item
|
|
* @param {Object} data Object containing (optional) parameters type,
|
|
* start, end, content, group, className.
|
|
* @param {{toScreen: function, toTime: function}} conversion
|
|
* Conversion functions from time to screen and vice versa
|
|
* @param {Object} options Configuration options
|
|
* // TODO: describe available options
|
|
*/
|
|
function Item (data, conversion, options) {
|
|
this.id = null;
|
|
this.parent = null;
|
|
this.data = data;
|
|
this.dom = null;
|
|
this.conversion = conversion || {};
|
|
this.options = options || {};
|
|
|
|
this.selected = false;
|
|
this.displayed = false;
|
|
this.dirty = true;
|
|
|
|
this.top = null;
|
|
this.left = null;
|
|
this.width = null;
|
|
this.height = null;
|
|
}
|
|
|
|
/**
|
|
* Select current item
|
|
*/
|
|
Item.prototype.select = function() {
|
|
this.selected = true;
|
|
if (this.displayed) this.redraw();
|
|
};
|
|
|
|
/**
|
|
* Unselect current item
|
|
*/
|
|
Item.prototype.unselect = function() {
|
|
this.selected = false;
|
|
if (this.displayed) this.redraw();
|
|
};
|
|
|
|
/**
|
|
* Set a parent for the item
|
|
* @param {ItemSet | Group} parent
|
|
*/
|
|
Item.prototype.setParent = function(parent) {
|
|
if (this.displayed) {
|
|
this.hide();
|
|
this.parent = parent;
|
|
if (this.parent) {
|
|
this.show();
|
|
}
|
|
}
|
|
else {
|
|
this.parent = parent;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Check whether this item is visible inside given range
|
|
* @returns {{start: Number, end: Number}} range with a timestamp for start and end
|
|
* @returns {boolean} True if visible
|
|
*/
|
|
Item.prototype.isVisible = function(range) {
|
|
// Should be implemented by Item implementations
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Show the Item in the DOM (when not already visible)
|
|
* @return {Boolean} changed
|
|
*/
|
|
Item.prototype.show = function() {
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Hide the Item from the DOM (when visible)
|
|
* @return {Boolean} changed
|
|
*/
|
|
Item.prototype.hide = function() {
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Repaint the item
|
|
*/
|
|
Item.prototype.redraw = function() {
|
|
// should be implemented by the item
|
|
};
|
|
|
|
/**
|
|
* Reposition the Item horizontally
|
|
*/
|
|
Item.prototype.repositionX = function() {
|
|
// should be implemented by the item
|
|
};
|
|
|
|
/**
|
|
* Reposition the Item vertically
|
|
*/
|
|
Item.prototype.repositionY = function() {
|
|
// should be implemented by the item
|
|
};
|
|
|
|
/**
|
|
* Repaint a delete button on the top right of the item when the item is selected
|
|
* @param {HTMLElement} anchor
|
|
* @protected
|
|
*/
|
|
Item.prototype._repaintDeleteButton = function (anchor) {
|
|
if (this.selected && this.options.editable.remove && !this.dom.deleteButton) {
|
|
// create and show button
|
|
var me = this;
|
|
|
|
var deleteButton = document.createElement('div');
|
|
deleteButton.className = 'delete';
|
|
deleteButton.title = 'Delete this item';
|
|
|
|
Hammer(deleteButton, {
|
|
preventDefault: true
|
|
}).on('tap', function (event) {
|
|
me.parent.removeFromDataSet(me);
|
|
event.stopPropagation();
|
|
});
|
|
|
|
anchor.appendChild(deleteButton);
|
|
this.dom.deleteButton = deleteButton;
|
|
}
|
|
else if (!this.selected && this.dom.deleteButton) {
|
|
// remove button
|
|
if (this.dom.deleteButton.parentNode) {
|
|
this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton);
|
|
}
|
|
this.dom.deleteButton = null;
|
|
}
|
|
};
|