angular-xml-editor
Version:
XML editor component for Angular
130 lines (129 loc) • 12.8 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { XmlCursorPos, XMLCursorPositions } from './xmlCursorPos.class';
import { XmlToolbox } from '../xmlToolbox.class';
import { DomDummyNodeManager } from '../dummyNodes/domDummyNodeManager.class';
export class XmlCursor {
constructor() {
this.xmlDocumentRootNode = undefined;
this.domDummyNodeManager = new DomDummyNodeManager();
this.StartPos = new XmlCursorPos();
this.EndPos = new XmlCursorPos();
}
/**
* is there nothing between start and end pos?
* @return {?}
*/
isEmptySelection() {
if (this.StartPos.equals(this.EndPos)) {
return true;
}
return false;
}
/**
* @return {?}
*/
sortStartAndEnd() {
if (this.StartPos.ActualNode && this.EndPos.ActualNode) {
if (this.StartPos.ActualNode.isSameNode(this.EndPos.ActualNode)) {
if (this.StartPos.PosAtNode === XMLCursorPositions.CursorInsideTextNode &&
this.EndPos.PosAtNode === XMLCursorPositions.CursorInsideTextNode &&
this.StartPos.PosInTextnode > this.EndPos.PosInTextnode) {
this.swapStartAndEnd();
}
}
else {
/** @type {?} */
const compared = this.StartPos.ActualNode.compareDocumentPosition(this.EndPos.ActualNode);
// tslint:disable-next-line:no-bitwise
if (!(compared & Node.DOCUMENT_POSITION_FOLLOWING)) {
this.swapStartAndEnd();
}
}
}
}
/**
* @return {?}
*/
swapStartAndEnd() {
/** @type {?} */
const node = this.StartPos.ActualNode;
/** @type {?} */
const pos = this.StartPos.PosAtNode;
/** @type {?} */
const text = this.StartPos.PosInTextnode;
this.StartPos.SetCursor(this.EndPos.ActualNode, this.EndPos.PosAtNode, this.EndPos.PosInTextnode);
this.EndPos.SetCursor(node, pos, text);
}
/**
* @return {?}
*/
show() {
if (window.getSelection) {
/** @type {?} */
const selection = window.getSelection();
this.show2(selection);
}
else {
throw new Error('showCursor: unable to get "window.getSelection"');
}
}
/**
* @param {?} selection
* @return {?}
*/
show2(selection) {
if (!selection) {
return;
}
/** @type {?} */
const elems = document.querySelectorAll('.selected');
[].forEach.call(elems, function (el) {
el.classList.remove('selected');
});
/** @type {?} */
const startSelection = XmlCursorPos.getSelectionForPos(this.StartPos);
if (this.EndPos && this.EndPos.ActualNode && !this.EndPos.equals(this.StartPos)) {
/** @type {?} */
const endSelection = XmlCursorPos.getSelectionForPos(this.EndPos);
selection.setBaseAndExtent(startSelection.node, startSelection.offset, endSelection.node, endSelection.offset);
}
else {
// only start pos
selection.setPosition(startSelection.node, startSelection.offset);
// select tag by adding "select" class
if (this.StartPos.PosAtNode === XMLCursorPositions.CursorOnCompleteNode) {
/** @type {?} */
const asElem = /** @type {?} */ (this.StartPos.ActualNode);
if (asElem && asElem.classList) {
asElem.classList.add('selected');
console.log('selected!');
}
else {
console.error(`no asElem.classList for select! ${XmlToolbox.GetNodeDebugContext(asElem)}`);
}
}
}
}
}
if (false) {
/** @type {?} */
XmlCursor.prototype.xmlDocumentRootNode;
/** @type {?} */
XmlCursor.prototype.domDummyNodeManager;
/** @type {?} */
XmlCursor.prototype.StartPos;
/** @type {?} */
XmlCursor.prototype.EndPos;
}
/**
* @record
*/
export function SelectionPos() { }
/** @type {?} */
SelectionPos.prototype.node;
/** @type {?} */
SelectionPos.prototype.offset;
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{ XmlCursorPos, XMLCursorPositions } from './xmlCursorPos.class';\r\nimport { XmlToolbox } from '../xmlToolbox.class';\r\nimport { DomDummyNodeManager } from '../dummyNodes/domDummyNodeManager.class';\r\n\r\nexport class XmlCursor {\r\n  xmlDocumentRootNode: Element = undefined;\r\n  domDummyNodeManager = new DomDummyNodeManager();\r\n\r\n  public StartPos = new XmlCursorPos();\r\n  public EndPos = new XmlCursorPos();\r\n\r\n  /**\r\n   * is there nothing between start and end pos?\r\n   */\r\n  isEmptySelection(): boolean {\r\n    if (this.StartPos.equals(this.EndPos)) {\r\n      return true;\r\n    }\r\n    return false;\r\n  }\r\n\r\n  sortStartAndEnd() {\r\n    if (this.StartPos.ActualNode && this.EndPos.ActualNode) {\r\n      if (this.StartPos.ActualNode.isSameNode(this.EndPos.ActualNode)) {\r\n        if (\r\n          this.StartPos.PosAtNode === XMLCursorPositions.CursorInsideTextNode &&\r\n          this.EndPos.PosAtNode === XMLCursorPositions.CursorInsideTextNode &&\r\n          this.StartPos.PosInTextnode > this.EndPos.PosInTextnode\r\n        ) {\r\n          this.swapStartAndEnd();\r\n        }\r\n      } else {\r\n        const compared = this.StartPos.ActualNode.compareDocumentPosition(this.EndPos.ActualNode);\r\n        // tslint:disable-next-line:no-bitwise\r\n        if (!(compared & Node.DOCUMENT_POSITION_FOLLOWING)) {\r\n          this.swapStartAndEnd();\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  swapStartAndEnd() {\r\n    const node = this.StartPos.ActualNode;\r\n    const pos = this.StartPos.PosAtNode;\r\n    const text = this.StartPos.PosInTextnode;\r\n    this.StartPos.SetCursor(this.EndPos.ActualNode, this.EndPos.PosAtNode, this.EndPos.PosInTextnode);\r\n    this.EndPos.SetCursor(node, pos, text);\r\n  }\r\n\r\n  show() {\r\n    if (window.getSelection) {\r\n      const selection: Selection = window.getSelection();\r\n      this.show2(selection);\r\n    } else {\r\n      throw new Error('showCursor: unable to get \"window.getSelection\"');\r\n    }\r\n  }\r\n\r\n  private show2(selection: Selection) {\r\n    if (!selection) {\r\n      return;\r\n    }\r\n\r\n    // Remove all selected classes\r\n    const elems = document.querySelectorAll('.selected');\r\n    [].forEach.call(elems, function(el) {\r\n      el.classList.remove('selected');\r\n    });\r\n\r\n    const startSelection = XmlCursorPos.getSelectionForPos(this.StartPos);\r\n    if (this.EndPos && this.EndPos.ActualNode && !this.EndPos.equals(this.StartPos)) {\r\n      // start + end pos\r\n      const endSelection = XmlCursorPos.getSelectionForPos(this.EndPos);\r\n      selection.setBaseAndExtent(startSelection.node, startSelection.offset, endSelection.node, endSelection.offset);\r\n    } else {\r\n      // only start pos\r\n      selection.setPosition(startSelection.node, startSelection.offset);\r\n\r\n      // select tag by adding \"select\" class\r\n      if (this.StartPos.PosAtNode === XMLCursorPositions.CursorOnCompleteNode) {\r\n        const asElem = this.StartPos.ActualNode as Element;\r\n        if (asElem && asElem.classList) {\r\n          asElem.classList.add('selected');\r\n          console.log('selected!');\r\n        } else {\r\n          console.error(`no asElem.classList for select! ${XmlToolbox.GetNodeDebugContext(asElem)}`);\r\n        }\r\n      }\r\n    }\r\n  }\r\n}\r\n\r\nexport interface SelectionPos {\r\n  node: Node;\r\n  offset: number;\r\n}\r\n"]}