568tools/tools/mind-map/dist/js/chunk-2d0ab10b.0e224dbf.js

1 line
8.8 KiB

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

(window["webpackJsonp"]=window["webpackJsonp"]||[]).push([["chunk-2d0ab10b"],{"144f":function(e,t,a){"use strict";a.r(t);var s=function(){var e=this;e._self._c;return e._m(0)},o=[function(){var e=this,t=e._self._c;return t("div",[t("h1",[e._v("Utility Methods")]),t("h2",[e._v("Base utility Methods")]),t("p",[e._v("Reference:")]),t("pre",{staticClass:"hljs"},[t("code",[t("span",{staticClass:"hljs-keyword"},[e._v("import")]),e._v(" {walk, ...} "),t("span",{staticClass:"hljs-keyword"},[e._v("from")]),e._v(" "),t("span",{staticClass:"hljs-string"},[e._v("'simple-mind-map/src/utils'")]),e._v("\n")])]),t("h3",[e._v("Methods")]),t("h4",[e._v("walk(root, parent, beforeCallback, afterCallback, isRoot, layerIndex = 0, index = 0)")]),t("p",[e._v("Depth-first traversal of a tree")]),t("p",[t("code",[e._v("root")]),e._v(": the root node of the tree to be traversed")]),t("p",[t("code",[e._v("parent")]),e._v(": parent node")]),t("p",[t("code",[e._v("beforeCallback")]),e._v(": preorder traversal callback function, callback parameters are: root, parent, isRoot, layerIndex, index")]),t("p",[t("code",[e._v("afterCallback")]),e._v(": postorder traversal callback function, callback parameters are: root, parent, isRoot, layerIndex, index")]),t("p",[t("code",[e._v("isRoot")]),e._v(": whether it is the root node")]),t("p",[t("code",[e._v("layerIndex")]),e._v(": node level")]),t("p",[t("code",[e._v("index")]),e._v(": index of the node among its siblings")]),t("p",[e._v("Example:")]),t("pre",{staticClass:"hljs"},[t("code",[e._v("walk(tree, "),t("span",{staticClass:"hljs-literal"},[e._v("null")]),e._v(", "),t("span",{staticClass:"hljs-function"},[e._v("() =>")]),e._v(" {}, "),t("span",{staticClass:"hljs-function"},[e._v("() =>")]),e._v(" {}, "),t("span",{staticClass:"hljs-literal"},[e._v("false")]),e._v(", "),t("span",{staticClass:"hljs-number"},[e._v("0")]),e._v(", "),t("span",{staticClass:"hljs-number"},[e._v("0")]),e._v(");\n")])]),t("h4",[e._v("bfsWalk(root, callback)")]),t("p",[e._v("Breadth-first traversal of a tree")]),t("h4",[e._v("resizeImgSize(width, height, maxWidth, maxHeight)")]),t("p",[e._v("Resize image size")]),t("p",[t("code",[e._v("width")]),e._v(": original width of the image")]),t("p",[t("code",[e._v("height")]),e._v(": original height of the image")]),t("p",[t("code",[e._v("maxWidth")]),e._v(": the width to resize to")]),t("p",[t("code",[e._v("maxHeight")]),e._v(": the height to resize to")]),t("p",[t("code",[e._v("maxWidth")]),e._v(" and "),t("code",[e._v("maxHeight")]),e._v(" can both be passed, or only one of them can be passed")]),t("h4",[e._v("resizeImg(imgUrl, maxWidth, maxHeight)")]),t("p",[e._v("Resize image, internally loads the image first, then calls the "),t("code",[e._v("resizeImgSize")]),e._v(" method, and returns a "),t("code",[e._v("promise")])]),t("h4",[e._v("simpleDeepClone(data)")]),t("p",[e._v("Extremely simple deep copy method, can only be used for objects that are all basic data, otherwise it will throw an error")]),t("h4",[e._v("copyRenderTree(tree, root)")]),t("p",[e._v("Copy render tree data, example:")]),t("pre",{staticClass:"hljs"},[t("code",[e._v("copyRenderTree({}, "),t("span",{staticClass:"hljs-built_in"},[e._v("this")]),e._v(".mindMap.renderer.renderTree);\n")])]),t("h4",[e._v("copyNodeTree(tree, root, removeActiveState, keepId)")]),t("ul",[t("li",[t("p",[t("code",[e._v("removeActiveState")]),e._v(": "),t("code",[e._v("Boolean")]),e._v(", default is "),t("code",[e._v("false")]),e._v(", Whether to remove the active state of the node")])]),t("li",[t("p",[t("code",[e._v("keepId")]),e._v(": v0.4.6+, "),t("code",[e._v("Boolean")]),e._v(", default is "),t("code",[e._v("false")]),e._v(", Whether to retain the "),t("code",[e._v("id")]),e._v(" of the replicated node will be deleted by default to prevent duplicate node "),t("code",[e._v("id")]),e._v(". However, for mobile node scenarios, the original "),t("code",[e._v("id")]),e._v(" of the node needs to be retained")])])]),t("p",[e._v("Copy node tree data, mainly eliminating the reference "),t("code",[e._v("node")]),e._v(" instance "),t("code",[e._v("_node")]),e._v(" and copying the "),t("code",[e._v("data")]),e._v(" of the data object, example:")]),t("pre",{staticClass:"hljs"},[t("code",[e._v("copyNodeTree({}, node);\n")])]),t("h4",[e._v("imgToDataUrl(src)")]),t("p",[e._v("Convert image to dataURL")]),t("h4",[e._v("downloadFile(file, fileName)")]),t("p",[e._v("Download file")]),t("h4",[e._v("throttle(fn, time = 300, ctx)")]),t("p",[e._v("Throttle function")]),t("h4",[e._v("asyncRun(taskList, callback = () => {})")]),t("p",[e._v("Run tasks in task list asynchronously, tasks are run synchronously without order")]),t("h4",[e._v("degToRad(deg)")]),t("blockquote",[t("p",[e._v("v0.2.24+")])]),t("p",[e._v("Angle to radian")]),t("h4",[e._v("camelCaseToHyphen(str)")]),t("blockquote",[t("p",[e._v("v0.2.24+")])]),t("p",[e._v("CamelCase to hyphen")]),t("h4",[e._v("joinFontStr({ italic, bold, fontSize, fontFamily })")]),t("blockquote",[t("p",[e._v("v0.3.4+")])]),t("p",[e._v("Join the "),t("code",[e._v("font")]),e._v(" attribute value of the "),t("code",[e._v("css")]),e._v(" font")]),t("h4",[e._v("measureText(text, { italic, bold, fontSize, fontFamily })")]),t("blockquote",[t("p",[e._v("v0.3.4+")])]),t("p",[e._v("Measure the width and height of the text, return value:")]),t("pre",{staticClass:"hljs"},[t("code",[e._v("{ width, height }\n")])]),t("h4",[e._v("getTextFromHtml(html)")]),t("p",[e._v("Extract plain text content from an HTML string.")]),t("h4",[e._v("readBlob(blob)")]),t("blockquote",[t("p",[e._v("v0.5.9+")])]),t("p",[e._v("Convert "),t("code",[e._v("blob")]),e._v(" data to "),t("code",[e._v("data:url")]),e._v(" data.")]),t("h2",[e._v("Simulate CSS background in Canvas")]),t("p",[e._v("Import:")]),t("pre",{staticClass:"hljs"},[t("code",[t("span",{staticClass:"hljs-keyword"},[e._v("import")]),e._v(" drawBackgroundImageToCanvas "),t("span",{staticClass:"hljs-keyword"},[e._v("from")]),e._v(" "),t("span",{staticClass:"hljs-string"},[e._v("'simple-mind-map/src/utils/simulateCSSBackgroundInCanvas'")]),e._v("\n")])]),t("p",[e._v("Usage")]),t("pre",{staticClass:"hljs"},[t("code",[t("span",{staticClass:"hljs-keyword"},[e._v("let")]),e._v(" width = "),t("span",{staticClass:"hljs-number"},[e._v("500")]),e._v("\n"),t("span",{staticClass:"hljs-keyword"},[e._v("let")]),e._v(" height = "),t("span",{staticClass:"hljs-number"},[e._v("500")]),e._v("\n"),t("span",{staticClass:"hljs-keyword"},[e._v("let")]),e._v(" img = "),t("span",{staticClass:"hljs-string"},[e._v("'/1.jpg'")]),e._v("\n"),t("span",{staticClass:"hljs-keyword"},[e._v("let")]),e._v(" canvas = "),t("span",{staticClass:"hljs-built_in"},[e._v("document")]),e._v(".createElement("),t("span",{staticClass:"hljs-string"},[e._v("'canvas'")]),e._v(")\ncanvas.width = width\ncanvas.height = height\ndrawBackgroundImageToCanvas(ctx, width, height, img, {\n "),t("span",{staticClass:"hljs-attr"},[e._v("backgroundRepeat")]),e._v(": "),t("span",{staticClass:"hljs-string"},[e._v("'repeat-y'")]),e._v(",\n "),t("span",{staticClass:"hljs-attr"},[e._v("backgroundSize")]),e._v(": "),t("span",{staticClass:"hljs-string"},[e._v("'60%'")]),e._v(",\n "),t("span",{staticClass:"hljs-attr"},[e._v("backgroundPosition")]),e._v(": "),t("span",{staticClass:"hljs-string"},[e._v("'center center'")]),e._v("\n}, "),t("span",{staticClass:"hljs-function"},[e._v("("),t("span",{staticClass:"hljs-params"},[e._v("err")]),e._v(") =>")]),e._v(" {\n "),t("span",{staticClass:"hljs-keyword"},[e._v("if")]),e._v(" (err) {\n "),t("span",{staticClass:"hljs-comment"},[e._v("// fail")]),e._v("\n } "),t("span",{staticClass:"hljs-keyword"},[e._v("else")]),e._v(" {\n "),t("span",{staticClass:"hljs-comment"},[e._v("// success")]),e._v("\n }\n})\n")])]),t("h2",[e._v("LRU cache class")]),t("blockquote",[t("p",[e._v("v0.5.10+")])]),t("p",[e._v("Import:")]),t("pre",{staticClass:"hljs"},[t("code",[t("span",{staticClass:"hljs-keyword"},[e._v("import")]),e._v(" Lru "),t("span",{staticClass:"hljs-keyword"},[e._v("from")]),e._v(" "),t("span",{staticClass:"hljs-string"},[e._v("'simple-mind-map/src/utils/Lru.js'")]),e._v("\n")])]),t("h3",[e._v("Constructor")]),t("pre",{staticClass:"hljs"},[t("code",[t("span",{staticClass:"hljs-keyword"},[e._v("let")]),e._v(" lru = "),t("span",{staticClass:"hljs-keyword"},[e._v("new")]),e._v(" Lru(max)\n")])]),t("p",[t("code",[e._v("max")]),e._v(": Specify the maximum number of caches.")]),t("h3",[e._v("Instance properties")]),t("h4",[e._v("size")]),t("p",[e._v("The current number of caches.")]),t("h4",[e._v("pool")]),t("p",[e._v("Get cache pool.")]),t("h3",[e._v("Instance methods")]),t("h4",[e._v("add(key, value)")]),t("p",[e._v("Add cache.")]),t("h4",[e._v("delete(key)")]),t("p",[e._v("Delete cache.")]),t("h4",[e._v("has(key)")]),t("p",[e._v("Check if a cache exists.")]),t("h4",[e._v("get(key)")]),t("p",[e._v("Gets the value of a cache.")])])}],l={},v=l,n=a("2877"),i=Object(n["a"])(v,s,o,!1,null,null,null);t["default"]=i.exports}}]);