mirror of https://github.com/node-red/node-red.git
82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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RED.panels = (function() {
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function createPanel(options) {
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var container = options.container || $("#"+options.id);
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var children = container.children();
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if (children.length !== 2) {
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throw new Error("Container must have exactly two children");
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}
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container.addClass("red-ui-panels");
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var separator = $('<div class="red-ui-panels-separator"></div>').insertAfter(children[0]);
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var startPosition;
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var panelHeights = [];
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var modifiedHeights = false;
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var panelRatio;
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separator.draggable({
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axis: "y",
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containment: container,
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scroll: false,
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start:function(event,ui) {
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var height = container.height();
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startPosition = ui.position.top;
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panelHeights = [$(children[0]).height(),$(children[1]).height()];
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},
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drag: function(event,ui) {
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var height = container.height();
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var delta = ui.position.top-startPosition;
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var newHeights = [panelHeights[0]+delta,panelHeights[1]-delta];
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$(children[0]).height(newHeights[0]);
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$(children[1]).height(newHeights[1]);
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if (options.resize) {
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options.resize(newHeights[0],newHeights[1]);
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}
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ui.position.top -= delta;
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panelRatio = newHeights[0]/height;
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},
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stop:function(event,ui) {
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modifiedHeights = true;
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}
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});
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return {
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resize: function(height) {
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var panelHeights = [$(children[0]).height(),$(children[1]).height()];
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container.height(height);
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if (modifiedHeights) {
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var topPanelHeight = panelRatio*height;
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var bottomPanelHeight = height - topPanelHeight - 48;
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panelHeights = [topPanelHeight,bottomPanelHeight];
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$(children[0]).height(panelHeights[0]);
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$(children[1]).height(panelHeights[1]);
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}
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if (options.resize) {
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options.resize(panelHeights[0],panelHeights[1]);
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}
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}
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}
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}
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return {
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create: createPanel
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}
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})();
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