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node-red/editor/js/ui/common/editableList.js
2016-09-29 23:44:49 +01:00

301 lines
11 KiB
JavaScript

/**
* Copyright 2016 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
(function($) {
/**
* options:
* - addButton : boolean|string - text for add label, default 'add'
* - height : number|'auto'
* - resize : function - called when list as a whole is resized
* - resizeItem : function(item) - called to resize individual item
* - sortable : boolean|string - string is the css selector for handle
* - sortItems : function(items) - when order of items changes
* - connectWith : css selector of other sortables
* - removable : boolean - whether to display delete button on items
* - addItem : function(row,index,itemData) - when an item is added
* - removeItem : function(itemData) - called when an item is removed
* methods:
* - addItem(itemData)
* - removeItem(itemData)
* - width(width)
* - height(height)
* - items()
* - empty()
*/
$.widget( "nodered.editableList", {
_create: function() {
var that = this;
this.element.addClass('red-ui-editableList-list');
this.uiWidth = this.element.width();
this.uiContainer = this.element
.wrap( "<div>" )
.parent();
this.topContainer = this.uiContainer.wrap("<div>").parent();
this.topContainer.addClass('red-ui-editableList');
if (this.options.addButton !== false) {
var addLabel;
if (typeof this.options.addButton === 'string') {
addLabel = this.options.addButton
} else {
if (RED && RED._) {
addLabel = RED._("editableList.add");
} else {
addLabel = 'add';
}
}
$('<a href="#" class="editor-button editor-button-small" style="margin-top: 4px;"><i class="fa fa-plus"></i> '+addLabel+'</a>')
.appendTo(this.topContainer)
.click(function(evt) {
evt.preventDefault();
that.addItem({});
});
}
if (this.element.css("position") === "absolute") {
this.element.css("position","static");
this.topContainer.css("position","absolute");
this.uiContainer.css("position","absolute");
["top","left","bottom","right"].forEach(function(s) {
var v = that.element.css(s);
if (s!=="auto" && s!=="") {
that.topContainer.css(s,v);
that.uiContainer.css(s,"0");
that.element.css(s,'auto');
}
})
}
this.uiContainer.addClass("red-ui-editableList-container");
this.uiHeight = this.element.height();
this.activeFilter = this.options.filter||null;
this.activeSort = this.options.sort||null;
this.scrollOnAdd = this.options.scrollOnAdd;
if (this.scrollOnAdd === undefined) {
this.scrollOnAdd = true;
}
var minHeight = this.element.css("minHeight");
if (minHeight !== '0px') {
this.uiContainer.css("minHeight",minHeight);
this.element.css("minHeight",0);
}
if (this.options.height !== 'auto') {
this.uiContainer.css("overflow-y","scroll");
if (!isNaN(this.options.height)) {
this.uiHeight = this.options.height;
}
}
this.element.height('auto');
var attrStyle = this.element.attr('style');
var m;
if ((m = /width\s*:\s*(\d+%)/i.exec(attrStyle)) !== null) {
this.element.width('100%');
this.uiContainer.width(m[1]);
}
if (this.options.sortable) {
var handle = (typeof this.options.sortable === 'string')?
this.options.sortable :
".red-ui-editableList-item-handle";
var sortOptions = {
axis: "y",
update: function( event, ui ) {
if (that.options.sortItems) {
that.options.sortItems(that.items());
}
},
handle:handle,
cursor: "move",
tolerance: "pointer",
forcePlaceholderSize:true,
placeholder: "red-ui-editabelList-item-placeholder",
start: function(e, ui){
ui.placeholder.height(ui.item.height()-4);
}
};
if (this.options.connectWith) {
sortOptions.connectWith = this.options.connectWith;
}
this.element.sortable(sortOptions);
}
this._resize();
// this.menu = this._createMenu(this.types, function(v) { that.type(v) });
// this.type(this.options.default||this.types[0].value);
},
_resize: function() {
var currentFullHeight = this.topContainer.height();
var innerHeight = this.uiContainer.height();
var delta = currentFullHeight - innerHeight;
if (this.uiHeight !== 0) {
this.uiContainer.height(this.uiHeight-delta);
}
if (this.options.resize) {
this.options.resize();
}
if (this.options.resizeItem) {
var that = this;
this.element.children().each(function(i) {
that.options.resizeItem($(this).find(".red-ui-editableList-item-content"),i);
});
}
},
_destroy: function() {
},
_refreshFilter: function() {
var that = this;
var count = 0;
if (!this.activeFilter) {
this.element.children().show();
}
var items = this.items();
items.each(function (i,el) {
var data = el.data('data');
try {
if (that.activeFilter(data)) {
el.parent().show();
count++;
} else {
el.parent().hide();
}
} catch(err) {
console.log(err);
el.parent().show();
count++;
}
});
return count;
},
_refreshSort: function() {
if (this.activeSort) {
var items = this.element.children();
var that = this;
items.sort(function(A,B) {
return that.activeSort($(A).find(".red-ui-editableList-item-content").data('data'),$(B).find(".red-ui-editableList-item-content").data('data'));
});
$.each(items,function(idx,li) {
that.element.append(li);
})
}
},
width: function(desiredWidth) {
this.uiWidth = desiredWidth;
this._resize();
},
height: function(desiredHeight) {
this.uiHeight = desiredHeight;
this._resize();
},
addItem: function(data) {
var that = this;
data = data || {};
var li = $('<li>');
var added = false;
if (this.activeSort) {
var items = this.items();
var skip = false;
items.each(function(i,el) {
if (added) { return }
var itemData = el.data('data');
if (that.activeSort(data,itemData) < 0) {
li.insertBefore(el.closest("li"));
added = true;
}
});
}
if (!added) {
li.appendTo(this.element);
}
var row = $('<div/>').addClass("red-ui-editableList-item-content").appendTo(li);
row.data('data',data);
if (this.options.sortable === true) {
$('<i class="red-ui-editableList-item-handle fa fa-bars"></i>').appendTo(li);
li.addClass("red-ui-editableList-item-sortable");
}
if (this.options.removable) {
var deleteButton = $('<a/>',{href:"#",class:"red-ui-editableList-item-remove editor-button editor-button-small"}).appendTo(li);
$('<i/>',{class:"fa fa-remove"}).appendTo(deleteButton);
li.addClass("red-ui-editableList-item-removable");
deleteButton.click(function() {
li.addClass("red-ui-editableList-item-deleting")
li.fadeOut(300, function() {
$(this).remove();
if (that.options.removeItem) {
that.options.removeItem(row.data('data'));
}
});
});
}
if (this.options.addItem) {
var index = that.element.children().length-1;
setTimeout(function() {
that.options.addItem(row,index,data);
if (that.activeFilter) {
try {
if (!that.activeFilter(data)) {
li.hide();
}
} catch(err) {
}
}
if (!that.activeSort && that.scrollOnAdd) {
setTimeout(function() {
that.uiContainer.scrollTop(that.element.height());
},0);
}
},0);
}
},
removeItem: function(data) {
var items = this.element.children().filter(function(f) {
return data === $(this).find(".red-ui-editableList-item-content").data('data');
});
items.remove();
if (this.options.removeItem) {
this.options.removeItem(data);
}
},
items: function() {
return this.element.children().map(function(i) { return $(this).find(".red-ui-editableList-item-content"); });
},
empty: function() {
this.element.empty();
},
filter: function(filter) {
if (filter !== undefined) {
this.activeFilter = filter;
}
return this._refreshFilter();
},
sort: function(sort) {
if (sort !== undefined) {
this.activeSort = sort;
}
return this._refreshSort();
},
length: function() {
return this.element.children().length;
}
});
})(jQuery);