@syncfusion/ej2-documenteditor
Version:
Feature-rich document editor control with built-in support for context menu, options pane and dialogs.
206 lines (205 loc) • 7.35 kB
JavaScript
/* eslint-disable */
import { StreamWriter } from '@syncfusion/ej2-file-utils';
import { isNullOrUndefined } from '@syncfusion/ej2-base';
/**
* Exports the document to Text format.
*/
var TextExport = /** @class */ (function () {
function TextExport() {
/**
* @private
*/
this.pageContent = '';
this.curSectionIndex = 0;
this.inField = false;
}
TextExport.prototype.getModuleName = function () {
return 'TextExport';
};
/**
* @private
* @param {DocumentHelper} documentHelper - Document helper.
* @param {string} fileName - Specified file name.
* @return {void}
*/
TextExport.prototype.save = function (documentHelper, fileName) {
this.serialize(documentHelper);
var writer = new StreamWriter();
this.writeInternal(writer);
writer.save(fileName + '.txt');
};
/**
* Save text document as Blob.
*
* @private
* @param {DocumentHelper} documentHelper - Document helper.
* @return {Promise<Blob>} - Returns promise object.
*/
TextExport.prototype.saveAsBlob = function (documentHelper) {
this.serialize(documentHelper);
var streamWriter = new StreamWriter();
this.writeInternal(streamWriter);
var blob = streamWriter.buffer;
streamWriter.destroy();
return new Promise(function (resolve, reject) {
resolve(blob);
});
};
TextExport.prototype.serialize = function (documentHelper) {
var document = documentHelper.owner.sfdtExportModule.write(0);
this.setDocument(document);
};
/**
* @private
* @param document
*/
TextExport.prototype.setDocument = function (document) {
this.document = document;
this.mSections = document.sections;
};
/**
* @private
* @param streamWriter - Stream writer instance.
* @return {void}
*/
TextExport.prototype.writeInternal = function (streamWriter) {
var section = undefined;
var sectionCount = this.document.sections.length - 1;
var isLastSection = false;
this.updateLastParagraph();
for (var i = 0; i <= sectionCount; i++) {
section = this.document.sections[i];
isLastSection = (i === sectionCount) ? true : false;
this.writeBody(streamWriter, section.blocks, false);
this.writeNewLine(streamWriter);
this.writeSectionEnd(section, isLastSection);
}
for (var j = 0; j <= sectionCount; j++) {
section = this.document.sections[j];
this.writeHeadersFooters(streamWriter, section);
}
};
/// <summary>
/// Writes the specified document content to the text file.
/// </summary>
TextExport.prototype.writeBody = function (streamWriter, body, isHeaderFooter) {
var bodyItemsCount = body.length - 1;
var bodyItem = undefined;
for (var i = 0; i <= bodyItemsCount; i++) {
bodyItem = body[i];
if (bodyItem.hasOwnProperty('inlines')) {
var isLastPara = (bodyItem === this.lastPara) ? true : false;
this.writeParagraph(streamWriter, bodyItem, isLastPara, isHeaderFooter);
}
else if (bodyItem.blocks) {
this.writeBody(streamWriter, bodyItem.blocks, isHeaderFooter);
}
else {
this.writeTable(streamWriter, bodyItem);
}
}
};
TextExport.prototype.writeParagraph = function (streamWriter, paragraph, isLastPara, isHeaderFooter) {
for (var i = 0; i < paragraph.inlines.length; i++) {
var item = paragraph.inlines[i];
if (item.hasOwnProperty('fieldType')) {
this.inField = item.fieldType === 0;
}
else if (item.hasOwnProperty('text') && !this.inField) {
this.writeText(streamWriter, item.text);
}
}
if (!isHeaderFooter || paragraph.inlines.length > 0)
if (!isLastPara) {
this.writeNewLine(streamWriter);
}
};
/// }
/// <summary>
/// Writes the specified table text content to the text file.
/// </summary>
TextExport.prototype.writeTable = function (streamWriter, table) {
for (var i = 0; i < table.rows.length; i++) {
var row = table.rows[i];
for (var j = 0; j < row.cells.length; j++) {
var cell = row.cells[j];
this.writeBody(streamWriter, cell.blocks, false);
}
}
};
/// <summary>
/// Writes the specified Header Footer text content to the text file.
/// </summary>
TextExport.prototype.writeHeadersFooters = function (streamWriter, section) {
var headersFooters = section.headersFooters;
if (isNullOrUndefined(headersFooters)) {
return;
}
this.writeHeaderFooter(streamWriter, section.headersFooters.header);
this.writeHeaderFooter(streamWriter, section.headersFooters.footer);
this.writeHeaderFooter(streamWriter, section.headersFooters.evenFooter);
this.writeHeaderFooter(streamWriter, section.headersFooters.evenHeader);
this.writeHeaderFooter(streamWriter, section.headersFooters.firstPageHeader);
this.writeHeaderFooter(streamWriter, section.headersFooters.firstPageFooter);
};
TextExport.prototype.writeHeaderFooter = function (streamWriter, headerFooter) {
if (headerFooter && headerFooter.blocks) {
this.writeBody(streamWriter, headerFooter.blocks, true);
}
};
/// <summary>
/// Writes the end of the section.
/// </summary>
TextExport.prototype.writeSectionEnd = function (section, lastSection) {
this.curSectionIndex++;
};
TextExport.prototype.writeNewLine = function (writer) {
if (!isNullOrUndefined(writer)) {
writer.writeLine('');
}
else {
this.pageContent = this.pageContent + ' ';
}
};
TextExport.prototype.writeText = function (writer, text) {
if (!isNullOrUndefined(writer)) {
writer.write(text);
}
else {
this.pageContent += text;
}
};
TextExport.prototype.updateLastParagraph = function () {
var cnt = this.document.sections.length;
var sec;
if (cnt > 0) {
sec = this.document.sections[cnt - 1];
}
if (!isNullOrUndefined(sec)) {
var paragraphs = [];
for (var i = 0; i < sec.blocks.length; i++) {
if (sec.blocks[i].hasOwnProperty('inlines')) {
paragraphs.push(sec.blocks[i]);
}
}
var pCount = paragraphs.length;
if (pCount > 0) {
this.lastPara = paragraphs[pCount - 1];
}
}
};
/**
* @private
* @returns {void}
*/
TextExport.prototype.destroy = function () {
this.document = undefined;
this.lastPara = undefined;
this.mSections = undefined;
this.sections = [];
this.sections = undefined;
this.pageContent = undefined;
};
return TextExport;
}());
export { TextExport };