650 lines
25 KiB
JavaScript
650 lines
25 KiB
JavaScript
describe('scroll when focus line is out of viewport', function () {
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before(function (done) {
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helper.newPad(function(){
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cleanPad(function(){
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forceUseMonospacedFont();
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scrollWhenPlaceCaretInTheLastLineOfViewport();
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createPadWithSeveralLines(function(){
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resizeEditorHeight();
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done();
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});
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});
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});
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this.timeout(20000);
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});
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context('when user presses any arrow keys on a line above the viewport', function(){
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context('and scroll percentage config is set to 0.2 on settings.json', function(){
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var lineCloseOfTopOfPad = 10;
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before(function (done) {
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setScrollPercentageWhenFocusLineIsOutOfViewport(0.2, true);
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scrollEditorToBottomOfPad();
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placeCaretInTheBeginningOfLine(lineCloseOfTopOfPad, function(){ // place caret in the 10th line
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// warning: even pressing right arrow, the caret does not change of position
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// the column where the caret is, it has not importance, only the line
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pressAndReleaseRightArrow();
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done();
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});
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});
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it('keeps the focus line scrolled 20% from the top of the viewport', function (done) {
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// default behavior is to put the line in the top of viewport, but as
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// scrollPercentageWhenFocusLineIsOutOfViewport is set to 0.2, we have an extra 20% of lines scrolled
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// (2 lines, which are the 20% of the 10 that are visible on viewport)
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var firstLineOfViewport = getFirstLineVisibileOfViewport();
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expect(lineCloseOfTopOfPad).to.be(firstLineOfViewport + 2);
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done();
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});
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});
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});
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context('when user presses any arrow keys on a line below the viewport', function(){
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context('and scroll percentage config is set to 0.7 on settings.json', function(){
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var lineCloseToBottomOfPad = 50;
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before(function (done) {
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setScrollPercentageWhenFocusLineIsOutOfViewport(0.7);
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// firstly, scroll to make the lineCloseToBottomOfPad visible. After that, scroll to make it out of viewport
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scrollEditorToTopOfPad();
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placeCaretAtTheEndOfLine(lineCloseToBottomOfPad); // place caret in the 50th line
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setTimeout(function() {
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// warning: even pressing right arrow, the caret does not change of position
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pressAndReleaseLeftArrow();
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done();
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}, 1000);
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});
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it('keeps the focus line scrolled 70% from the bottom of the viewport', function (done) {
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// default behavior is to put the line in the top of viewport, but as
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// scrollPercentageWhenFocusLineIsOutOfViewport is set to 0.7, we have an extra 70% of lines scrolled
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// (7 lines, which are the 70% of the 10 that are visible on viewport)
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var lastLineOfViewport = getLastLineVisibleOfViewport();
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expect(lineCloseToBottomOfPad).to.be(lastLineOfViewport - 7);
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done();
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});
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});
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});
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context('when user presses arrow up on the first line of the viewport', function(){
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context('and percentageToScrollWhenUserPressesArrowUp is set to 0.3', function () {
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var lineOnTopOfViewportWhenThePadIsScrolledDown;
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before(function (done) {
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setPercentageToScrollWhenUserPressesArrowUp(0.3);
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// we need some room to make the scroll up
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scrollEditorToBottomOfPad();
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lineOnTopOfViewportWhenThePadIsScrolledDown = 91;
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placeCaretAtTheEndOfLine(lineOnTopOfViewportWhenThePadIsScrolledDown);
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setTimeout(function() {
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// warning: even pressing up arrow, the caret does not change of position
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pressAndReleaseUpArrow();
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done();
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}, 1000);
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});
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it('keeps the focus line scrolled 30% of the top of the viewport', function (done) {
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// default behavior is to put the line in the top of viewport, but as
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// PercentageToScrollWhenUserPressesArrowUp is set to 0.3, we have an extra 30% of lines scrolled
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// (3 lines, which are the 30% of the 10 that are visible on viewport)
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var firstLineOfViewport = getFirstLineVisibileOfViewport();
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expect(firstLineOfViewport).to.be(lineOnTopOfViewportWhenThePadIsScrolledDown - 3);
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done();
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})
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});
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});
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context('when user edits the last line of viewport', function(){
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context('and scroll percentage config is set to 0 on settings.json', function(){
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var lastLineOfViewportBeforeEnter = 10;
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before(function () {
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// the default value
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resetScrollPercentageWhenFocusLineIsOutOfViewport();
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// make sure the last line on viewport is the 10th one
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scrollEditorToTopOfPad();
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placeCaretAtTheEndOfLine(lastLineOfViewportBeforeEnter);
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pressEnter();
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});
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it('keeps the focus line on the bottom of the viewport', function (done) {
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var lastLineOfViewportAfterEnter = getLastLineVisibleOfViewport();
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expect(lastLineOfViewportAfterEnter).to.be(lastLineOfViewportBeforeEnter + 1);
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done();
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});
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});
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context('and scrollPercentageWhenFocusLineIsOutOfViewport is set to 0.3', function(){ // this value is arbitrary
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var lastLineOfViewportBeforeEnter = 9;
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before(function () {
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setScrollPercentageWhenFocusLineIsOutOfViewport(0.3);
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// make sure the last line on viewport is the 10th one
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scrollEditorToTopOfPad();
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placeCaretAtTheEndOfLine(lastLineOfViewportBeforeEnter);
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pressBackspace();
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});
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it('scrolls 30% of viewport up', function (done) {
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var lastLineOfViewportAfterEnter = getLastLineVisibleOfViewport();
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// default behavior is to scroll one line at the bottom of viewport, but as
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// scrollPercentageWhenFocusLineIsOutOfViewport is set to 0.3, we have an extra 30% of lines scrolled
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// (3 lines, which are the 30% of the 10 that are visible on viewport)
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expect(lastLineOfViewportAfterEnter).to.be(lastLineOfViewportBeforeEnter + 3);
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done();
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});
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});
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context('and it is set to a value that overflow the interval [0, 1]', function(){
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var lastLineOfViewportBeforeEnter = 10;
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before(function(){
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var scrollPercentageWhenFocusLineIsOutOfViewport = 1.5;
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scrollEditorToTopOfPad();
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placeCaretAtTheEndOfLine(lastLineOfViewportBeforeEnter);
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setScrollPercentageWhenFocusLineIsOutOfViewport(scrollPercentageWhenFocusLineIsOutOfViewport);
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pressEnter();
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});
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it('keeps the default behavior of moving the focus line on the bottom of the viewport', function (done) {
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var lastLineOfViewportAfterEnter = getLastLineVisibleOfViewport();
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expect(lastLineOfViewportAfterEnter).to.be(lastLineOfViewportBeforeEnter + 1);
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done();
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});
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});
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});
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context('when user edits a line above the viewport', function(){
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context('and scroll percentage config is set to 0 on settings.json', function(){
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var lineCloseOfTopOfPad = 10;
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before(function () {
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// the default value
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setScrollPercentageWhenFocusLineIsOutOfViewport(0);
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// firstly, scroll to make the lineCloseOfTopOfPad visible. After that, scroll to make it out of viewport
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scrollEditorToTopOfPad();
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placeCaretAtTheEndOfLine(lineCloseOfTopOfPad); // place caret in the 10th line
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scrollEditorToBottomOfPad();
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pressBackspace(); // edit the line where the caret is, which is above the viewport
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});
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it('keeps the focus line on the top of the viewport', function (done) {
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var firstLineOfViewportAfterEnter = getFirstLineVisibileOfViewport();
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expect(firstLineOfViewportAfterEnter).to.be(lineCloseOfTopOfPad);
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done();
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});
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});
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context('and scrollPercentageWhenFocusLineIsOutOfViewport is set to 0.2', function(){ // this value is arbitrary
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var lineCloseToBottomOfPad = 50;
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before(function () {
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// we force the line edited to be above the top of the viewport
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setScrollPercentageWhenFocusLineIsOutOfViewport(0.2, true); // set scroll jump to 20%
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scrollEditorToTopOfPad();
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placeCaretAtTheEndOfLine(lineCloseToBottomOfPad);
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scrollEditorToBottomOfPad();
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pressBackspace(); // edit line
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});
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it('scrolls 20% of viewport down', function (done) {
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// default behavior is to scroll one line at the top of viewport, but as
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// scrollPercentageWhenFocusLineIsOutOfViewport is set to 0.2, we have an extra 20% of lines scrolled
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// (2 lines, which are the 20% of the 10 that are visible on viewport)
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var firstLineVisibileOfViewport = getFirstLineVisibileOfViewport();
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expect(lineCloseToBottomOfPad).to.be(firstLineVisibileOfViewport + 2);
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done();
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});
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});
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});
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context('when user places the caret at the last line visible of viewport', function(){
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var lastLineVisible;
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context('and scroll percentage config is set to 0 on settings.json', function(){
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before(function (done) {
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// reset to the default value
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resetScrollPercentageWhenFocusLineIsOutOfViewport();
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placeCaretInTheBeginningOfLine(0, function(){ // reset caret position
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scrollEditorToTopOfPad();
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lastLineVisible = getLastLineVisibleOfViewport();
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placeCaretInTheBeginningOfLine(lastLineVisible, done); // place caret in the 9th line
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});
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});
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it('does not scroll', function(done){
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setTimeout(function() {
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var lastLineOfViewport = getLastLineVisibleOfViewport();
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var lineDoesNotScroll = lastLineOfViewport === lastLineVisible;
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expect(lineDoesNotScroll).to.be(true);
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done();
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}, 1000);
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});
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});
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context('and scroll percentage config is set to 0.5 on settings.json', function(){
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before(function (done) {
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setScrollPercentageWhenFocusLineIsOutOfViewport(0.5);
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scrollEditorToTopOfPad();
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placeCaretInTheBeginningOfLine(0, function(){ // reset caret position
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// this timeout inside a callback is ugly but it necessary to give time to aceSelectionChange
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// realizes that the selection has been changed
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setTimeout(function() {
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lastLineVisible = getLastLineVisibleOfViewport();
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placeCaretInTheBeginningOfLine(lastLineVisible, done); // place caret in the 9th line
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}, 1000);
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});
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});
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it('scrolls line to 50% of the viewport', function(done){
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helper.waitFor(function(){
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var lastLineOfViewport = getLastLineVisibleOfViewport();
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var lastLinesScrolledFiveLinesUp = lastLineOfViewport - 5 === lastLineVisible;
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return lastLinesScrolledFiveLinesUp;
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}).done(done);
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});
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});
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});
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// This is a special case. When user is selecting a text with arrow down or arrow left we have
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// to keep the last line selected on focus
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context('when the first line selected is out of the viewport and user presses shift arrow down', function(){
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var lastLineOfPad = 99;
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before(function (done) {
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scrollEditorToTopOfPad();
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// make a selection bigger than the viewport height
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var $firstLineOfSelection = getLine(0);
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var $lastLineOfSelection = getLine(lastLineOfPad);
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var lengthOfLastLine = $lastLineOfSelection.text().length;
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helper.selectLines($firstLineOfSelection, $lastLineOfSelection, 0, lengthOfLastLine);
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// place the last line selected on the viewport
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scrollEditorToBottomOfPad();
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// press a key to make the selection goes down
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// although we can't simulate the extending of selection. It's possible to send a key event
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// which is captured on ace2_inner scroll function.
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pressAndReleaseLeftArrow(true);
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done();
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});
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it('keeps the last line selected on focus', function (done) {
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var lastLineOfSelectionIsVisible = isLineOnViewport(lastLineOfPad);
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expect(lastLineOfSelectionIsVisible).to.be(true);
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done();
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});
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});
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// In this scenario we avoid the bouncing scroll. E.g Let's suppose we have a big line that is
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// the size of the viewport, and its top is above the viewport. When user presses '<-', this line
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// will scroll down because the top is out of the viewport. When it scrolls down, the bottom of
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// line gets below the viewport so when user presses '<-' again it scrolls up to make the bottom
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// of line visible. If user presses arrow keys more than one time, the editor will keep scrolling up and down
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context('when the line height is bigger than the scroll amount percentage * viewport height', function(){
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var scrollOfEditorBeforePressKey;
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var BIG_LINE_NUMBER = 0;
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var MIDDLE_OF_BIG_LINE = 51;
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before(function (done) {
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createPadWithALineHigherThanViewportHeight(this, BIG_LINE_NUMBER, function(){
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setScrollPercentageWhenFocusLineIsOutOfViewport(0.5); // set any value to force scroll to outside to viewport
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var $bigLine = getLine(BIG_LINE_NUMBER);
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// each line has about 5 chars, we place the caret in the middle of the line
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helper.selectLines($bigLine, $bigLine, MIDDLE_OF_BIG_LINE, MIDDLE_OF_BIG_LINE);
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scrollEditorToLeaveTopAndBottomOfBigLineOutOfViewport($bigLine);
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scrollOfEditorBeforePressKey = getEditorScroll();
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// press a key to force to scroll
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pressAndReleaseRightArrow();
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done();
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});
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});
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// reset pad to the original text
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after(function (done) {
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this.timeout(5000);
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cleanPad(function(){
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createPadWithSeveralLines(function(){
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resetEditorWidth();
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done();
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});
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});
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});
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// as the editor.line is inside of the viewport, it should not scroll
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it('should not scroll', function (done) {
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var scrollOfEditorAfterPressKey = getEditorScroll();
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expect(scrollOfEditorAfterPressKey).to.be(scrollOfEditorBeforePressKey);
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done();
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});
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});
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// Some plugins, for example the ep_page_view, change the editor dimensions. This plugin, for example,
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// adds padding-top to the ace_outer, which changes the viewport height
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describe('integration with plugins which changes the margin of editor', function(){
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context('when editor dimensions changes', function(){
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before(function () {
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// reset the size of editor. Now we show more than 10 lines as in the other tests
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resetResizeOfEditorHeight();
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scrollEditorToTopOfPad();
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// height of the editor viewport
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var editorHeight = getEditorHeight();
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// add a big padding-top, 50% of the viewport
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var paddingTopOfAceOuter = editorHeight/2;
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var chrome$ = helper.padChrome$;
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var $outerIframe = chrome$('iframe');
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$outerIframe.css('padding-top', paddingTopOfAceOuter);
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// we set a big value to check if the scroll is made
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setScrollPercentageWhenFocusLineIsOutOfViewport(1);
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});
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context('and user places the caret in the last line visible of the pad', function(){
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var lastLineVisible;
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beforeEach(function (done) {
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lastLineVisible = getLastLineVisibleOfViewport();
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placeCaretInTheBeginningOfLine(lastLineVisible, done);
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});
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it('scrolls the line where caret is', function(done){
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helper.waitFor(function(){
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var firstLineVisibileOfViewport = getFirstLineVisibileOfViewport();
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var linesScrolled = firstLineVisibileOfViewport !== 0;
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return linesScrolled;
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}).done(done);
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});
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});
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});
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});
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/* ********************* Helper functions/constants ********************* */
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var TOP_OF_PAGE = 0;
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var BOTTOM_OF_PAGE = 5000; // we use a big value to force the page to be scrolled all the way down
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var LINES_OF_PAD = 100;
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var ENTER = 13;
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var BACKSPACE = 8;
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var LEFT_ARROW = 37;
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var UP_ARROW = 38;
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var RIGHT_ARROW = 39;
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var LINES_ON_VIEWPORT = 10;
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var WIDTH_OF_EDITOR_RESIZED = 100;
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var LONG_TEXT_CHARS = 100;
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var cleanPad = function(callback) {
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var inner$ = helper.padInner$;
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var $padContent = inner$('#innerdocbody');
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$padContent.html('');
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// wait for Etherpad to re-create first line
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helper.waitFor(function(){
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var lineNumber = inner$('div').length;
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return lineNumber === 1;
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}, 2000).done(callback);
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};
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var createPadWithSeveralLines = function(done) {
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var line = '<span>a</span><br>';
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var $firstLine = helper.padInner$('div').first();
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var lines = line.repeat(LINES_OF_PAD); //arbitrary number, we need to create lines that is over the viewport
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$firstLine.html(lines);
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helper.waitFor(function(){
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var linesCreated = helper.padInner$('div').length;
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return linesCreated === LINES_OF_PAD;
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}, 4000).done(done);
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};
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var createPadWithALineHigherThanViewportHeight = function(test, line, done) {
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var viewportHeight = 160; //10 lines * 16px (height of line)
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test.timeout(5000);
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cleanPad(function(){
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// make the editor smaller to make test easier
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// with that width the each line has about 5 chars
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resizeEditorWidth();
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// we create a line with 100 chars, which makes about 20 lines
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setLongTextOnLine(line);
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helper.waitFor(function () {
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var $firstLine = getLine(line);
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var heightOfLine = $firstLine.get(0).getBoundingClientRect().height;
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return heightOfLine >= viewportHeight;
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}, 4000).done(done);
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});
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};
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var setLongTextOnLine = function(line) {
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var $line = getLine(line);
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var longText = 'a'.repeat(LONG_TEXT_CHARS);
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$line.html(longText);
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};
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// resize the editor to make the tests easier
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var resizeEditorHeight = function() {
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var chrome$ = helper.padChrome$;
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chrome$('#editorcontainer').css('height', getSizeOfViewport());
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};
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// this makes about 5 chars per line
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var resizeEditorWidth = function() {
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var chrome$ = helper.padChrome$;
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chrome$('#editorcontainer').css('width', WIDTH_OF_EDITOR_RESIZED);
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};
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var resetResizeOfEditorHeight = function() {
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var chrome$ = helper.padChrome$;
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chrome$('#editorcontainer').css('height', '');
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};
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var resetEditorWidth = function () {
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var chrome$ = helper.padChrome$;
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chrome$('#editorcontainer').css('width', '');
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};
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var getEditorHeight = function() {
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var chrome$ = helper.padChrome$;
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var $editor = chrome$('#editorcontainer');
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var editorHeight = $editor.get(0).clientHeight;
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return editorHeight;
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};
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var getSizeOfViewport = function() {
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return getLinePositionOnViewport(LINES_ON_VIEWPORT) - getLinePositionOnViewport(0);
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};
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var scrollPageTo = function(value) {
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var outer$ = helper.padOuter$;
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var $ace_outer = outer$('#outerdocbody').parent();
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$ace_outer.parent().scrollTop(value);
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};
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var scrollEditorToTopOfPad = function() {
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scrollPageTo(TOP_OF_PAGE);
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};
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var scrollEditorToBottomOfPad = function() {
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scrollPageTo(BOTTOM_OF_PAGE);
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};
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var scrollEditorToLeaveTopAndBottomOfBigLineOutOfViewport = function ($bigLine) {
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var lineHeight = $bigLine.get(0).getBoundingClientRect().height;
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var middleOfLine = lineHeight/2;
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scrollPageTo(middleOfLine);
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};
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var getLine = function(lineNum) {
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var inner$ = helper.padInner$;
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var $line = inner$('div').eq(lineNum);
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return $line;
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};
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|
|
|
var placeCaretAtTheEndOfLine = function(lineNum) {
|
|
var $targetLine = getLine(lineNum);
|
|
var lineLength = $targetLine.text().length;
|
|
helper.selectLines($targetLine, $targetLine, lineLength, lineLength);
|
|
};
|
|
|
|
var placeCaretInTheBeginningOfLine = function(lineNum, cb) {
|
|
var $targetLine = getLine(lineNum);
|
|
helper.selectLines($targetLine, $targetLine, 0, 0);
|
|
helper.waitFor(function() {
|
|
var $lineWhereCaretIs = getLineWhereCaretIs();
|
|
return $targetLine.get(0) === $lineWhereCaretIs.get(0);
|
|
}).done(cb);
|
|
};
|
|
|
|
var getLineWhereCaretIs = function() {
|
|
var inner$ = helper.padInner$;
|
|
var nodeWhereCaretIs = inner$.document.getSelection().anchorNode;
|
|
var $lineWhereCaretIs = $(nodeWhereCaretIs).closest('div');
|
|
return $lineWhereCaretIs;
|
|
};
|
|
|
|
var getFirstLineVisibileOfViewport = function() {
|
|
return _.find(_.range(0, LINES_OF_PAD - 1), isLineOnViewport);
|
|
};
|
|
|
|
var getLastLineVisibleOfViewport = function() {
|
|
return _.find(_.range(LINES_OF_PAD - 1, 0, -1), isLineOnViewport);
|
|
};
|
|
|
|
var pressKey = function(keyCode, shiftIsPressed){
|
|
var inner$ = helper.padInner$;
|
|
var evtType;
|
|
if(inner$(window)[0].bowser.modernIE){ // if it's IE
|
|
evtType = 'keypress';
|
|
}else{
|
|
evtType = 'keydown';
|
|
}
|
|
var e = inner$.Event(evtType);
|
|
e.shiftKey = shiftIsPressed;
|
|
e.keyCode = keyCode;
|
|
e.which = keyCode; // etherpad listens to 'which'
|
|
inner$('#innerdocbody').trigger(e);
|
|
};
|
|
|
|
var releaseKey = function(keyCode){
|
|
var inner$ = helper.padInner$;
|
|
var evtType = 'keyup';
|
|
var e = inner$.Event(evtType);
|
|
e.keyCode = keyCode;
|
|
e.which = keyCode; // etherpad listens to 'which'
|
|
inner$('#innerdocbody').trigger(e);
|
|
};
|
|
|
|
var pressEnter = function() {
|
|
pressKey(ENTER);
|
|
};
|
|
|
|
var pressBackspace = function() {
|
|
pressKey(BACKSPACE);
|
|
};
|
|
|
|
var pressAndReleaseUpArrow = function() {
|
|
pressKey(UP_ARROW);
|
|
releaseKey(UP_ARROW);
|
|
};
|
|
|
|
var pressAndReleaseRightArrow = function() {
|
|
pressKey(RIGHT_ARROW);
|
|
releaseKey(RIGHT_ARROW);
|
|
};
|
|
|
|
var pressAndReleaseLeftArrow = function(shiftIsPressed) {
|
|
pressKey(LEFT_ARROW, shiftIsPressed);
|
|
releaseKey(LEFT_ARROW);
|
|
};
|
|
|
|
var isLineOnViewport = function(lineNumber) {
|
|
// in the function scrollNodeVerticallyIntoView from ace2_inner.js, iframePadTop is used to calculate
|
|
// how much scroll is needed. Although the name refers to padding-top, this value is not set on the
|
|
// padding-top.
|
|
var iframePadTop = 8;
|
|
var $line = getLine(lineNumber);
|
|
var linePosition = $line.get(0).getBoundingClientRect();
|
|
|
|
// position relative to the current viewport
|
|
var linePositionTopOnViewport = linePosition.top - getEditorScroll() + iframePadTop;
|
|
var linePositionBottomOnViewport = linePosition.bottom - getEditorScroll();
|
|
|
|
var lineBellowTop = linePositionBottomOnViewport > 0;
|
|
var lineAboveBottom = linePositionTopOnViewport < getClientHeightVisible();
|
|
var isVisible = lineBellowTop && lineAboveBottom;
|
|
|
|
return isVisible;
|
|
};
|
|
|
|
var getEditorScroll = function () {
|
|
var outer$ = helper.padOuter$;
|
|
var scrollTopFirefox = outer$('#outerdocbody').parent().scrollTop(); // works only on firefox
|
|
var scrollTop = outer$('#outerdocbody').scrollTop() || scrollTopFirefox;
|
|
return scrollTop;
|
|
};
|
|
|
|
// clientHeight includes padding, so we have to subtract it and consider only the visible viewport
|
|
var getClientHeightVisible = function () {
|
|
var outer$ = helper.padOuter$;
|
|
var $ace_outer = outer$('#outerdocbody').parent();
|
|
var ace_outerHeight = $ace_outer.get(0).clientHeight;
|
|
var ace_outerPaddingTop = getIntValueOfCSSProperty($ace_outer, 'padding-top');
|
|
var paddingAddedWhenPageViewIsEnable = getPaddingAddedWhenPageViewIsEnable();
|
|
var clientHeight = ace_outerHeight - ( ace_outerPaddingTop + paddingAddedWhenPageViewIsEnable);
|
|
|
|
return clientHeight;
|
|
};
|
|
|
|
// ep_page_view changes the dimensions of the editor. We have to guarantee
|
|
// the viewport height is calculated right
|
|
var getPaddingAddedWhenPageViewIsEnable = function () {
|
|
var chrome$ = helper.padChrome$;
|
|
var $outerIframe = chrome$('iframe');
|
|
var paddingAddedWhenPageViewIsEnable = parseInt($outerIframe.css('padding-top'));
|
|
return paddingAddedWhenPageViewIsEnable;
|
|
};
|
|
|
|
var getIntValueOfCSSProperty = function($element, property){
|
|
var valueString = $element.css(property);
|
|
return parseInt(valueString) || 0;
|
|
};
|
|
|
|
var forceUseMonospacedFont = function () {
|
|
helper.padChrome$.window.clientVars.padOptions.useMonospaceFont = true;
|
|
};
|
|
|
|
var setScrollPercentageWhenFocusLineIsOutOfViewport = function(value, editionAboveViewport) {
|
|
var scrollSettings = helper.padChrome$.window.clientVars.scrollWhenFocusLineIsOutOfViewport;
|
|
if (editionAboveViewport) {
|
|
scrollSettings.percentage.editionAboveViewport = value;
|
|
}else{
|
|
scrollSettings.percentage.editionBelowViewport = value;
|
|
}
|
|
};
|
|
|
|
var resetScrollPercentageWhenFocusLineIsOutOfViewport = function() {
|
|
var scrollSettings = helper.padChrome$.window.clientVars.scrollWhenFocusLineIsOutOfViewport;
|
|
scrollSettings.percentage.editionAboveViewport = 0;
|
|
scrollSettings.percentage.editionBelowViewport = 0;
|
|
};
|
|
|
|
var setPercentageToScrollWhenUserPressesArrowUp = function (value) {
|
|
var scrollSettings = helper.padChrome$.window.clientVars.scrollWhenFocusLineIsOutOfViewport;
|
|
scrollSettings.percentageToScrollWhenUserPressesArrowUp = value;
|
|
};
|
|
|
|
var scrollWhenPlaceCaretInTheLastLineOfViewport = function() {
|
|
var scrollSettings = helper.padChrome$.window.clientVars.scrollWhenFocusLineIsOutOfViewport;
|
|
scrollSettings.scrollWhenCaretIsInTheLastLineOfViewport = true;
|
|
};
|
|
|
|
var getLinePositionOnViewport = function(lineNumber) {
|
|
var $line = getLine(lineNumber);
|
|
var linePosition = $line.get(0).getBoundingClientRect();
|
|
|
|
// position relative to the current viewport
|
|
return linePosition.top - getEditorScroll();
|
|
};
|
|
});
|
|
|