angular-xml-editor
Version:
XML editor component for Angular
150 lines (149 loc) • 21.6 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { XMLCursorPositions } from './xmlCursorPos.class';
import { DomDummyNodeManager } from '../dummyNodes/domDummyNodeManager.class';
import { XmlToolbox } from '../xmlToolbox.class';
export class XmlCursorPosSetter {
/**
* @param {?} pos
* @param {?} selectionAnchorNode
* @param {?} selectionAnchorOffset
* @param {?=} debugLog
* @return {?}
*/
static setFromSelection(pos, selectionAnchorNode, selectionAnchorOffset, debugLog = null) {
if (selectionAnchorNode !== undefined && selectionAnchorNode !== null) {
/** @type {?} */
let node = /** @type {?} */ (selectionAnchorNode);
if (DomDummyNodeManager.IsDummyNode(selectionAnchorNode.parentElement)) {
// clicked inside a dummy node
node = /** @type {?} */ (selectionAnchorNode.parentElement);
if (DomDummyNodeManager.IsBeforeFirstTagDummyNode(node)) {
switch (selectionAnchorOffset) {
case 0:
if (debugLog) {
debugLog.setInputSelection(`(1) cursor here: #<tag> pos 0`);
}
pos.SetCursor(node.parentElement, XMLCursorPositions.CursorOnCompleteNode, 0);
return;
case 1:
if (debugLog) {
debugLog.setInputSelection(`(2) cursor here: #<tag> pos 1`);
}
pos.SetCursor(node.parentElement, XMLCursorPositions.CursorInFrontOfNode, 0);
return;
default:
throw new Error(`selectionAnchorOffset=${selectionAnchorOffset}?!?`);
}
}
if (node.parentElement.childNodes.length === 2) {
if (debugLog) {
debugLog.setInputSelection(`(13, 14) cursor here: <tag>#</tag>`);
}
pos.SetCursor(node.parentElement, XMLCursorPositions.CursorInEmptyNode, 0);
return;
}
if (node === node.parentElement.lastChild && selectionAnchorOffset === 1) {
if (debugLog) {
debugLog.setInputSelection(`(8, 12) cursor here: #</tag>, selecting complete node`);
}
pos.SetCursor(node.parentElement, XMLCursorPositions.CursorOnCompleteNode, 0);
return;
}
/** @type {?} */
const nextSibling = node.nextSibling;
if (nextSibling) {
if (debugLog) {
debugLog.setInputSelection(`(3, 4, 9, 10) cursor here: #Text or here #<tag>`);
}
pos.SetCursor(nextSibling, XMLCursorPositions.CursorInFrontOfNode, 0);
return;
}
/** @type {?} */
const previousSibling = node.previousSibling;
if (previousSibling) {
if (debugLog) {
debugLog.setInputSelection(`(7, 11) cursor here: Text# or here <tag>#`);
}
pos.SetCursor(previousSibling, XMLCursorPositions.CursorBehindNode, 0);
return;
}
}
else {
// is no dummy node
if (selectionAnchorNode.nodeType === Node.TEXT_NODE) {
if (selectionAnchorOffset === 0) {
if (debugLog) {
debugLog.setInputSelection(`(6) cursor here: #Text`);
}
pos.SetCursor(selectionAnchorNode, XMLCursorPositions.CursorInsideTextNode, 0);
return;
}
if (selectionAnchorOffset === selectionAnchorNode.textContent.length) {
if (debugLog) {
debugLog.setInputSelection(`(7 Alternative) cursor here: Text#`);
}
pos.SetCursor(selectionAnchorNode, XMLCursorPositions.CursorInsideTextNode, selectionAnchorNode.textContent.length);
return;
}
if (debugLog) {
debugLog.setInputSelection(`(5) cursor here: Text#Text`);
}
if (selectionAnchorOffset > selectionAnchorNode.textContent.length) {
throw new Error(`selectionAnchorOffset ${selectionAnchorOffset} is > than text-lenght ${selectionAnchorNode.textContent.length} of text '${selectionAnchorNode.textContent}' `);
}
pos.SetCursor(selectionAnchorNode, XMLCursorPositions.CursorInsideTextNode, selectionAnchorOffset);
return;
}
}
// if (DomDummyNodeManager.IsDummyNode(parentElem)) {
// const dummyElement = parentElem;
// const nextSibling = parentElem.nextSibling;
// if (XmlToolbox.IstTextOderKommentarNode(nextSibling)) {
// // cursor here: #text (# = red dummyNode)
// pos.CursorSetzen(nextSibling, XMLCursorPositionen.CursorInnerhalbDesTextNodes, 0);
// return;
// }
// const previousSibling = dummyElement.previousSibling;
// if (!previousSibling) {
// // pos.CursorSetzen(dummyElement.parentElement, XMLCursorPositionen.c, 0);
// }
// }
// switch (node.nodeType) {
// case Node.TEXT_NODE:
// if (loopCount === 0) {
// const nextSibling = parentElem.nextSibling;
// if (nextSibling && nextSibling.nodeType === Node.TEXT_NODE && selectionAnchorOffset === 1) {
// // set cursor at start of following textnode
// pos.CursorSetzen(nextSibling, XMLCursorPositionen.CursorInnerhalbDesTextNodes, 0);
// } else {
// const previousSibling = parentElem.previousSibling;
// if (previousSibling && previousSibling.nodeType === Node.TEXT_NODE && selectionAnchorOffset === 0) {
// // set cursor at end of previous textnode
// pos.CursorSetzen(previousSibling, XMLCursorPositionen.CursorInnerhalbDesTextNodes, previousSibling.nodeValue.length);
// }
// }
// } else {
// node = parentElem; // up to dummy node
// }
// } else {
// pos.CursorSetzen(node, XMLCursorPositionen.CursorInnerhalbDesTextNodes, selectionAnchorOffset);
// }
// break;
// case Node.ELEMENT_NODE:
// if (DomDummyNodeManager.IsDummyNode(node)) {
// // node = parentElem; // up to parent node
// } else {
// pos.CursorSetzen(node, XMLCursorPositionen.CursorAufNodeSelbstVorderesTag);
// }
// break;
// default:
// throw new Error(`unhandled nodeType '${node.nodeType}' of node ${XmlToolbox.GetNodeDebugContext(node)}`);
// }
}
console.error(`found no suiting cursor interpretation! For selectionAnchorNode=${XmlToolbox.GetNodeDebugContext(selectionAnchorNode)}, selectionAnchorOffset=${selectionAnchorOffset}`);
}
}
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{ XmlCursorPos, XMLCursorPositions } from './xmlCursorPos.class';\r\nimport { DomDummyNodeManager } from '../dummyNodes/domDummyNodeManager.class';\r\nimport { XmlToolbox } from '../xmlToolbox.class';\r\nimport { XmlEditorDebugger } from '../xmlEditorDebugger';\r\n\r\nexport class XmlCursorPosSetter {\r\n  public static setFromSelection(pos: XmlCursorPos, selectionAnchorNode: Node, selectionAnchorOffset: number, debugLog: XmlEditorDebugger = null) {\r\n    if (selectionAnchorNode !== undefined && selectionAnchorNode !== null) {\r\n      let node = selectionAnchorNode as Element;\r\n      if (DomDummyNodeManager.IsDummyNode(selectionAnchorNode.parentElement)) {\r\n        // clicked inside a dummy node\r\n        node = selectionAnchorNode.parentElement as Element;\r\n\r\n        if (DomDummyNodeManager.IsBeforeFirstTagDummyNode(node)) {\r\n          switch (selectionAnchorOffset) {\r\n            case 0:\r\n              if (debugLog) {\r\n                debugLog.setInputSelection(`(1) cursor here: #<tag> pos 0`);\r\n              }\r\n              pos.SetCursor(node.parentElement, XMLCursorPositions.CursorOnCompleteNode, 0);\r\n              return;\r\n\r\n            case 1:\r\n              if (debugLog) {\r\n                debugLog.setInputSelection(`(2) cursor here: #<tag> pos 1`);\r\n              }\r\n              pos.SetCursor(node.parentElement, XMLCursorPositions.CursorInFrontOfNode, 0);\r\n              return;\r\n\r\n            default:\r\n              throw new Error(`selectionAnchorOffset=${selectionAnchorOffset}?!?`);\r\n          }\r\n        }\r\n\r\n        if (node.parentElement.childNodes.length === 2) {\r\n          if (debugLog) {\r\n            debugLog.setInputSelection(`(13, 14) cursor here: <tag>#</tag>`);\r\n          }\r\n          pos.SetCursor(node.parentElement, XMLCursorPositions.CursorInEmptyNode, 0);\r\n          return;\r\n        }\r\n\r\n        if (node === node.parentElement.lastChild && selectionAnchorOffset === 1) {\r\n          if (debugLog) {\r\n            debugLog.setInputSelection(`(8, 12) cursor here: #</tag>, selecting complete node`);\r\n          }\r\n          pos.SetCursor(node.parentElement, XMLCursorPositions.CursorOnCompleteNode, 0);\r\n          return;\r\n        }\r\n\r\n        const nextSibling = node.nextSibling;\r\n        if (nextSibling) {\r\n          if (debugLog) {\r\n            debugLog.setInputSelection(`(3, 4, 9, 10) cursor here: #Text or here #<tag>`);\r\n          }\r\n          pos.SetCursor(nextSibling, XMLCursorPositions.CursorInFrontOfNode, 0);\r\n          return;\r\n        }\r\n\r\n        const previousSibling = node.previousSibling;\r\n        if (previousSibling) {\r\n          if (debugLog) {\r\n            debugLog.setInputSelection(`(7, 11) cursor here: Text# or here <tag>#`);\r\n          }\r\n          pos.SetCursor(previousSibling, XMLCursorPositions.CursorBehindNode, 0);\r\n          return;\r\n        }\r\n      } else {\r\n        // is no dummy node\r\n        if (selectionAnchorNode.nodeType === Node.TEXT_NODE) {\r\n          if (selectionAnchorOffset === 0) {\r\n            if (debugLog) {\r\n              debugLog.setInputSelection(`(6) cursor here: #Text`);\r\n            }\r\n            pos.SetCursor(selectionAnchorNode, XMLCursorPositions.CursorInsideTextNode, 0);\r\n            return;\r\n          }\r\n\r\n          if (selectionAnchorOffset === selectionAnchorNode.textContent.length) {\r\n            if (debugLog) {\r\n              debugLog.setInputSelection(`(7 Alternative) cursor here: Text#`);\r\n            }\r\n            pos.SetCursor(selectionAnchorNode, XMLCursorPositions.CursorInsideTextNode, selectionAnchorNode.textContent.length);\r\n            return;\r\n          }\r\n\r\n          if (debugLog) {\r\n            debugLog.setInputSelection(`(5) cursor here: Text#Text`);\r\n          }\r\n          if (selectionAnchorOffset > selectionAnchorNode.textContent.length) {\r\n            throw new Error(\r\n              `selectionAnchorOffset ${selectionAnchorOffset} is > than text-lenght ${selectionAnchorNode.textContent.length} of text '${selectionAnchorNode.textContent}' `\r\n            );\r\n          }\r\n          pos.SetCursor(selectionAnchorNode, XMLCursorPositions.CursorInsideTextNode, selectionAnchorOffset);\r\n          return;\r\n        }\r\n      }\r\n\r\n      // if (DomDummyNodeManager.IsDummyNode(parentElem)) {\r\n      //     const dummyElement = parentElem;\r\n\r\n      //     const nextSibling = parentElem.nextSibling;\r\n      //     if (XmlToolbox.IstTextOderKommentarNode(nextSibling)) {\r\n      //         // cursor here: #text (# = red dummyNode)\r\n      //         pos.CursorSetzen(nextSibling, XMLCursorPositionen.CursorInnerhalbDesTextNodes, 0);\r\n      //         return;\r\n      //     }\r\n\r\n      //     const previousSibling = dummyElement.previousSibling;\r\n      //     if (!previousSibling) {\r\n      //     //    pos.CursorSetzen(dummyElement.parentElement, XMLCursorPositionen.c, 0);\r\n      //     }\r\n      // }\r\n\r\n      // switch (node.nodeType) {\r\n\r\n      //     case Node.TEXT_NODE:\r\n\r\n      // if (loopCount === 0) {\r\n      //     const nextSibling = parentElem.nextSibling;\r\n      //     if (nextSibling && nextSibling.nodeType === Node.TEXT_NODE && selectionAnchorOffset === 1) {\r\n      //         // set cursor at start of following textnode\r\n      //         pos.CursorSetzen(nextSibling, XMLCursorPositionen.CursorInnerhalbDesTextNodes, 0);\r\n      //     } else {\r\n      //         const previousSibling = parentElem.previousSibling;\r\n      //         if (previousSibling && previousSibling.nodeType === Node.TEXT_NODE && selectionAnchorOffset === 0) {\r\n      //             // set cursor at end of previous textnode\r\n      //             pos.CursorSetzen(previousSibling, XMLCursorPositionen.CursorInnerhalbDesTextNodes, previousSibling.nodeValue.length);\r\n      //         }\r\n      //     }\r\n      // } else {\r\n      //     node = parentElem; // up to dummy node\r\n      // }\r\n\r\n      //         } else {\r\n      //             pos.CursorSetzen(node, XMLCursorPositionen.CursorInnerhalbDesTextNodes, selectionAnchorOffset);\r\n      //         }\r\n      //         break;\r\n\r\n      //     case Node.ELEMENT_NODE:\r\n      //         if (DomDummyNodeManager.IsDummyNode(node)) {\r\n      //             // node = parentElem; // up to parent node\r\n      //         } else {\r\n      //             pos.CursorSetzen(node, XMLCursorPositionen.CursorAufNodeSelbstVorderesTag);\r\n      //         }\r\n      //         break;\r\n\r\n      //     default:\r\n      //         throw new Error(`unhandled nodeType '${node.nodeType}' of node ${XmlToolbox.GetNodeDebugContext(node)}`);\r\n      // }\r\n    }\r\n    console.error(\r\n      `found no suiting cursor interpretation! For selectionAnchorNode=${XmlToolbox.GetNodeDebugContext(selectionAnchorNode)}, selectionAnchorOffset=${selectionAnchorOffset}`\r\n    );\r\n  }\r\n}\r\n"]}