yetangitu/pdf.js
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Implement an option to disable automatic scrolling

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This adds a checkbox with which one can disable scrolling, for example to look back at output during testing. Note that the styles are inline because the test runner removes all <style> elements for each test.
This commit is contained in:
Tim van der Meij 2015-05-15 19:58:34 +02:00
parent 07ec736eb9
commit e02ab9fb79
2 changed files with 14 additions and 6 deletions
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11
test/driver.js
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@ -96,9 +96,11 @@ var SimpleTextLayerBuilder = (function SimpleTextLayerBuilderClosure() {
/**
* @typedef {Object} DriverOptions
* @property {HTMLPreElement} output - Container for all output messages.
* @property {HTMLSpanElement} inflight - Field displaying the number of
* inflight requests.
* @property {HTMLInputElement} disableScrolling - Checkbox to disable
* automatic scrolling of the output container.
* @property {HTMLPreElement} output - Container for all output messages.
* @property {HTMLDivElement} end - Container for a completion message.
*/
@ -118,8 +120,9 @@ var Driver = (function DriverClosure() {
PDFJS.enableStats = true;
// Set the passed options
this.output = options.output;
this.inflight = options.inflight;
this.disableScrolling = options.disableScrolling;
this.output = options.output;
this.end = options.end;
// Set parameters from the query string
@ -410,9 +413,9 @@ var Driver = (function DriverClosure() {
this.output.textContent += message;
}
if (message.lastIndexOf('\n') >= 0) {
if (message.lastIndexOf('\n') >= 0 && !this.disableScrolling.checked) {
// Scroll to the bottom of the page
window.scrollTo(0, document.body.scrollHeight);
this.output.scrollTop = this.output.scrollHeight;
}
},