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node-red/editor/js/ui/common/stack.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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.
**/
RED.stack = (function() {
function createStack(options) {
var container = options.container;
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container.addClass("red-ui-stack");
var contentHeight = 0;
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var entries = [];
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var visible = true;
// TODO: make this a singleton function - and watch out for stacks no longer
// in the DOM
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var resizeStack = function() {
if (entries.length > 0) {
var headerHeight = 0;
entries.forEach(function(entry) {
headerHeight += entry.header.outerHeight();
});
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var height = container.innerHeight();
contentHeight = height - headerHeight - (entries.length-1);
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entries.forEach(function(e) {
e.contentWrap.height(contentHeight);
});
}
}
if (options.fill && options.singleExpanded) {
$(window).resize(resizeStack);
$(window).focus(resizeStack);
}
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return {
add: function(entry) {
entries.push(entry);
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entry.container = $('<div class="palette-category">').appendTo(container);
if (!visible) {
entry.container.hide();
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}
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var header = $('<div class="palette-header"></div>').appendTo(entry.container);
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entry.header = header;
entry.contentWrap = $('<div></div>',{style:"position:relative"}).appendTo(entry.container);
if (options.fill) {
entry.contentWrap.css("height",contentHeight);
}
entry.content = $('<div></div>').appendTo(entry.contentWrap);
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if (entry.collapsible !== false) {
header.click(function() {
if (options.singleExpanded) {
if (!entry.isExpanded()) {
for (var i=0;i<entries.length;i++) {
if (entries[i].isExpanded()) {
entries[i].collapse();
}
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}
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entry.expand();
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}
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} else {
entry.toggle();
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}
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});
var icon = $('<i class="fa fa-angle-down"></i>').appendTo(header);
if (entry.expanded) {
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entry.container.addClass("palette-category-expanded");
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icon.addClass("expanded");
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} else {
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entry.contentWrap.hide();
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}
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} else {
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$('<i style="opacity: 0.5;" class="fa fa-angle-down expanded"></i>').appendTo(header);
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header.css("cursor","default");
}
entry.title = $('<span></span>').html(entry.title).appendTo(header);
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entry.toggle = function() {
if (entry.isExpanded()) {
entry.collapse();
return false;
} else {
entry.expand();
return true;
}
};
entry.expand = function() {
if (!entry.isExpanded()) {
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if (entry.onexpand) {
entry.onexpand.call(entry);
}
if (options.singleExpanded) {
entries.forEach(function(e) {
if (e !== entry) {
e.collapse();
}
})
}
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icon.addClass("expanded");
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entry.container.addClass("palette-category-expanded");
entry.contentWrap.slideDown(200);
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return true;
}
};
entry.collapse = function() {
if (entry.isExpanded()) {
icon.removeClass("expanded");
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entry.container.removeClass("palette-category-expanded");
entry.contentWrap.slideUp(200);
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return true;
}
};
entry.isExpanded = function() {
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return entry.container.hasClass("palette-category-expanded");
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};
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if (options.fill && options.singleExpanded) {
resizeStack();
}
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return entry;
},
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hide: function() {
visible = false;
entries.forEach(function(entry) {
entry.container.hide();
});
return this;
},
show: function() {
visible = true;
entries.forEach(function(entry) {
entry.container.show();
});
return this;
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},
resize: function() {
if (resizeStack) {
resizeStack();
}
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}
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}
}
return {
create: createStack
}
})();