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167 lines (144 loc) · 5.38 KB
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/**
* jsPDF Template Plugin
* @author Aras Abbasi (github.com/arasabbasi)
* Licensed under the MIT License.
* http://opensource.org/licenses/mit-license
*/
/**
* Adds the ability to generate templates
*
* @returns {jsPDF}
* @name template
*/
(function (jsPDFAPI) {
"use strict";
function romanize(num, letterCase) {
var lookup = {M: 1000, CM: 900, D: 500, CD: 400, C: 100, XC: 90, L: 50, XL: 40, X: 10, IX: 9, V: 5, IV: 4, I: 1};
var roman = "";
var i;
var tmpNum = parseInt(num, 10);
for (i in lookup) {
while (tmpNum >= lookup[i]) {
roman += i;
tmpNum -= lookup[i];
}
}
if (letterCase === "uppercase") {
return roman.toUpperCase();
}
return roman.toLowerCase();
}
function _setTemplateVar(name, value) {
if (this.internal.getCurrentPageInfo().pageContext.templateVariable === undefined) {
this.internal.getCurrentPageInfo().pageContext.templateVariable = {};
}
if (typeof name === "string") {
this.internal.getCurrentPageInfo().pageContext.templateVariable[name] = value;
}
}
jsPDFAPI.setTemplateVar = function () {
_setTemplateVar.apply(this, arguments);
return this;
};
function _getTemplateVar(name, defaultValue) {
var result = defaultValue || "";
if (this.internal.getCurrentPageInfo().pageContext.templateVariable === undefined) {
this.internal.getCurrentPageInfo().pageContext.templateVariable = {};
}
if (
(typeof name === "string") &&
(this.internal.getCurrentPageInfo().pageContext.templateVariable !== undefined) &&
(this.internal.getCurrentPageInfo().pageContext.templateVariable[name] !== undefined)
) {
result = this.internal.getCurrentPageInfo().pageContext.templateVariable[name];
}
return result;
}
jsPDFAPI.getTemplateVar = function () {
return _getTemplateVar.apply(this, arguments);
};
jsPDFAPI.template = function (doc, options, func) {
options = options || {};
var pageCount = parseInt(doc.internal.getNumberOfPages(), 10);
var totalPages = pageCount;
var startRange = 1;
var endRange = pageCount;
var numberStyle = "arabic";
var letterCase = "lowercase";
var currentPageNumber = 0;
var endPageNumber = pageCount;
var i = 0;
var hasOwnRange = options.hasOwnRange || false;
var pageInfo;
var currentNumberInOwnRange = 1;
var totalNumberInOwnRange = 1;
var currentPage = 1;
//Ranges
if (typeof options === "object" && typeof options.range === "object") {
var range = options.range;
startRange = 1;
endRange = 1;
if (range.start < 1) {
startRange = 1;
} else if (range.start > pageCount) {
startRange = pageCount;
} else if (range.start === undefined) {
startRange = 1;
} else {
startRange = parseInt(range.start, 10);
}
if (range.end > pageCount) {
endRange = pageCount;
} else if (startRange > range.end) {
endRange = startRange;
} else if (range.end === undefined) {
endRange = pageCount;
} else {
endRange = parseInt(range.end, 10);
}
}
if (typeof options === "object" && typeof options.numberStyle === "string") {
if (options.numberStyle === "roman") {
numberStyle = "roman";
} else {
numberStyle = "arabic";
}
}
if (typeof options === "object" && typeof options.letterCase === "string") {
if (options.letterCase === "uppercase") {
letterCase = "uppercase";
} else {
letterCase = "lowercase";
}
}
if (hasOwnRange === true) {
currentNumberInOwnRange = 1;
totalNumberInOwnRange = endRange - startRange + 1;
}
for( i = 1; i < (pageCount + 1); i += 1) {
doc.setPage(i);
currentPage = parseInt(doc.internal.getCurrentPageInfo().pageNumber, 10);
if (currentPage >= startRange && currentPage <= endRange) {
currentNumberInOwnRange = parseInt(currentPage, 10) - startRange + 1;
if (hasOwnRange === true) {
currentPageNumber = currentNumberInOwnRange;
endPageNumber = totalNumberInOwnRange;
} else {
currentPageNumber = currentPage;
endPageNumber = totalPages;
}
if (numberStyle === "roman") {
currentPageNumber = romanize(currentPageNumber, letterCase);
endPageNumber = romanize(endPageNumber, letterCase);
}
pageInfo = {
totalPages: totalPages,
currentPage: currentPage,
currentPageNumber: currentPageNumber,
endPageNumber: endPageNumber
};
func(doc, pageInfo);
}
}
};
})(jsPDF.API);