@umbraci/jsmind/lib/jsmind.multiline-text.js

jsMind is a pure javascript library for mindmap, it base on html5 canvas. jsMind was released under BSD license, you can embed it in any project, if only you observe the license.

/**
* @license BSD-3-Clause
* @copyright 2014-2025 hizzgdev@163.com
*
* Project Home:
*   https://github.com/hizzgdev/jsmind/
*/
"use strict";function e(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}Object.defineProperty(exports,"__esModule",{value:!0});var t=e(require("@umbraci/jsmind"));if(!t.default)throw new Error("jsMind is not defined");const n=t.default.$,i={text_width:200,line_height:"1.5"};function o(e={}){const t=Object.assign({},i,e);return function(e,n,i){return!(!i.topic||!i.topic.includes("\n"))&&(n.style.whiteSpace="pre-wrap",n.style.wordBreak="break-word",n.style.maxWidth=t.text_width+"px",n.textContent=i.topic,!0)}}function d(e,o){console.log("[Multiline Plugin] Initializing...",o);const d=Object.assign({},i,o),l=e.view;let r=null,a=null;function s(){if(!r||!a)return;const e=r._data.view.element;a.parentNode&&a.parentNode.removeChild(a),e.style.zIndex="auto",r=null,l.editing_node=null,a=null}l.opts.custom_node_render&&(l.render_node=l._custom_node_render.bind(l),console.log("[Multiline Plugin] Re-bound view.render_node")),e.mind&&e.mind.root&&(!function(e){const t=e.view,n=e.mind;if(!n||!n.root)return;const i=[];for(const e in n.nodes){const t=n.nodes[e];t._data&&t._data.view&&t._data.view.element&&i.push(t)}for(const e of i){const n=e._data.view.element;t.render_node(n,e)}for(const t of i)if(e.layout.is_visible(t)){const e=t._data.view.element;t._data.view.width=e.clientWidth,t._data.view.height=e.clientHeight}e.layout.layout(),e.view.show(!1)}(e),console.log("[Multiline Plugin] Re-rendered all nodes")),l.edit_node_begin=function(e){if(console.log("[Multiline Plugin] edit_node_begin called",e),!e.topic)return;r&&l.edit_node_end(),r=e,l.editing_node=e;const t=n.c("div");t.contentEditable="plaintext-only",t.className="jsmind-multiline-editor",t.textContent=e.topic,a=t;const i=e._data.view.element;Object.assign(t.style,{width:"auto",minHeight:i.clientHeight+"px",lineHeight:d.line_height,border:"none",outline:"none",whiteSpace:"pre-wrap",wordBreak:"break-word",boxSizing:"border-box",overflow:"hidden"});const o=()=>{t.style.height="auto",t.style.height=t.scrollHeight+"px"};n.on(t,"input",o),setTimeout(o,0),n.on(t,"keydown",(e=>{"Enter"!==e.key||e.shiftKey?"Escape"===e.key?(e.preventDefault(),e.stopPropagation(),function(){if(!r||!a)return;const e=r;s(),l.render_node(e._data.view.element,e),l.e_panel.focus()}()):"Tab"===e.key&&(e.preventDefault(),e.stopPropagation(),l.edit_node_end()):(e.preventDefault(),e.stopPropagation(),l.edit_node_end())})),n.on(t,"blur",(()=>{setTimeout((()=>{r&&l.edit_node_end()}),100)})),i.innerHTML="",i.appendChild(t),i.style.zIndex=5,t.focus();const u=n.d.createRange();u.selectNodeContents(t);const c=n.w.getSelection();c.removeAllRanges(),c.addRange(u)},l.edit_node_end=function(){if(!r||!a)return;const n=r,i=(a.textContent||"").trim().replace(/\r\n/g,"\n").replace(/\r/g,"\n").replace(/\n{3,}/g,"\n\n");s(),t.default.util.text.is_empty(i)||n.topic===i?l.render_node(n._data.view.element,n):e.update_node(n.id,i),l.e_panel.focus()}}t.default.register_plugin(new t.default.plugin("multiline_text",d));var l={name:"multiline_text",init:d,createMultilineRender:o};exports.createMultilineRender=o,exports.default=l;
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