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File: editor/codemirror/addon/scroll/simplescrollbars.js

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File: editor/codemirror/addon/scroll/simplescrollbars.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Custom PHP HTML Parser
Process HTML to replace it with parameter values
Author: By
Last change:
Date: 1 year ago
Size: 5,465 bytes
 

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// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: https://codemirror.net/5/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; function Bar(cls, orientation, scroll) { this.orientation = orientation; this.scroll = scroll; this.screen = this.total = this.size = 1; this.pos = 0; this.node = document.createElement("div"); this.node.className = cls + "-" + orientation; this.inner = this.node.appendChild(document.createElement("div")); var self = this; CodeMirror.on(this.inner, "mousedown", function(e) { if (e.which != 1) return; CodeMirror.e_preventDefault(e); var axis = self.orientation == "horizontal" ? "pageX" : "pageY"; var start = e[axis], startpos = self.pos; function done() { CodeMirror.off(document, "mousemove", move); CodeMirror.off(document, "mouseup", done); } function move(e) { if (e.which != 1) return done(); self.moveTo(startpos + (e[axis] - start) * (self.total / self.size)); } CodeMirror.on(document, "mousemove", move); CodeMirror.on(document, "mouseup", done); }); CodeMirror.on(this.node, "click", function(e) { CodeMirror.e_preventDefault(e); var innerBox = self.inner.getBoundingClientRect(), where; if (self.orientation == "horizontal") where = e.clientX < innerBox.left ? -1 : e.clientX > innerBox.right ? 1 : 0; else where = e.clientY < innerBox.top ? -1 : e.clientY > innerBox.bottom ? 1 : 0; self.moveTo(self.pos + where * self.screen); }); function onWheel(e) { var moved = CodeMirror.wheelEventPixels(e)[self.orientation == "horizontal" ? "x" : "y"]; var oldPos = self.pos; self.moveTo(self.pos + moved); if (self.pos != oldPos) CodeMirror.e_preventDefault(e); } CodeMirror.on(this.node, "mousewheel", onWheel); CodeMirror.on(this.node, "DOMMouseScroll", onWheel); } Bar.prototype.setPos = function(pos, force) { if (pos < 0) pos = 0; if (pos > this.total - this.screen) pos = this.total - this.screen; if (!force && pos == this.pos) return false; this.pos = pos; this.inner.style[this.orientation == "horizontal" ? "left" : "top"] = (pos * (this.size / this.total)) + "px"; return true }; Bar.prototype.moveTo = function(pos) { if (this.setPos(pos)) this.scroll(pos, this.orientation); } var minButtonSize = 10; Bar.prototype.update = function(scrollSize, clientSize, barSize) { var sizeChanged = this.screen != clientSize || this.total != scrollSize || this.size != barSize if (sizeChanged) { this.screen = clientSize; this.total = scrollSize; this.size = barSize; } var buttonSize = this.screen * (this.size / this.total); if (buttonSize < minButtonSize) { this.size -= minButtonSize - buttonSize; buttonSize = minButtonSize; } this.inner.style[this.orientation == "horizontal" ? "width" : "height"] = buttonSize + "px"; this.setPos(this.pos, sizeChanged); }; function SimpleScrollbars(cls, place, scroll) { this.addClass = cls; this.horiz = new Bar(cls, "horizontal", scroll); place(this.horiz.node); this.vert = new Bar(cls, "vertical", scroll); place(this.vert.node); this.width = null; } SimpleScrollbars.prototype.update = function(measure) { if (this.width == null) { var style = window.getComputedStyle ? window.getComputedStyle(this.horiz.node) : this.horiz.node.currentStyle; if (style) this.width = parseInt(style.height); } var width = this.width || 0; var needsH = measure.scrollWidth > measure.clientWidth + 1; var needsV = measure.scrollHeight > measure.clientHeight + 1; this.vert.node.style.display = needsV ? "block" : "none"; this.horiz.node.style.display = needsH ? "block" : "none"; if (needsV) { this.vert.update(measure.scrollHeight, measure.clientHeight, measure.viewHeight - (needsH ? width : 0)); this.vert.node.style.bottom = needsH ? width + "px" : "0"; } if (needsH) { this.horiz.update(measure.scrollWidth, measure.clientWidth, measure.viewWidth - (needsV ? width : 0) - measure.barLeft); this.horiz.node.style.right = needsV ? width + "px" : "0"; this.horiz.node.style.left = measure.barLeft + "px"; } return {right: needsV ? width : 0, bottom: needsH ? width : 0}; }; SimpleScrollbars.prototype.setScrollTop = function(pos) { this.vert.setPos(pos); }; SimpleScrollbars.prototype.setScrollLeft = function(pos) { this.horiz.setPos(pos); }; SimpleScrollbars.prototype.clear = function() { var parent = this.horiz.node.parentNode; parent.removeChild(this.horiz.node); parent.removeChild(this.vert.node); }; CodeMirror.scrollbarModel.simple = function(place, scroll) { return new SimpleScrollbars("CodeMirror-simplescroll", place, scroll); }; CodeMirror.scrollbarModel.overlay = function(place, scroll) { return new SimpleScrollbars("CodeMirror-overlayscroll", place, scroll); }; });