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FIX: Format selection as multiline code only when selection spans multiple lines.

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This commit is contained in:
Guo Xiang Tan 2016-08-23 14:56:08 +08:00
parent 691f739f11
commit 90571f0364
2 changed files with 88 additions and 31 deletions
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47
app/assets/javascripts/discourse/components/d-editor.js.es6
View file

@ -364,12 +364,12 @@ export default Ember.Component.extend({
});
},
_getSelected(trimLeading) {
_getSelected(trimLeading, opts) {
if (!this.get('ready')) { return; }
const textarea = this.$('textarea.d-editor-input')[0];
const value = textarea.value;
var start = textarea.selectionStart;
let start = textarea.selectionStart;
let end = textarea.selectionEnd;
// trim trailing spaces cause **test ** would be invalid
@ -388,7 +388,12 @@ export default Ember.Component.extend({
const pre = value.slice(0, start);
const post = value.slice(end);
return { start, end, value: selVal, pre, post };
if (opts && opts.lineVal) {
const lineVal = value.split("\n")[value.substr(0, textarea.selectionStart).split("\n").length - 1];
return { start, end, value: selVal, pre, post, lineVal };
} else {
return { start, end, value: selVal, pre, post };
}
},
_selectText(from, length) {
@ -535,21 +540,31 @@ export default Ember.Component.extend({
},
formatCode() {
const sel = this._getSelected();
const hasNewLine = sel.value.indexOf("\n") !== -1;
const sel = this._getSelected('', { lineVal: true });
const selValue = sel.value;
const hasNewLine = selValue.indexOf("\n") !== -1;
const isBlankLine = sel.lineVal.trim().length === 0;
const isFourSpacesIndent = this.siteSettings.code_formatting_style === FOUR_SPACES_INDENT;
if (this.siteSettings.code_formatting_style === FOUR_SPACES_INDENT) {
return (hasNewLine ?
this._applySurround(sel, ' ', '', 'code_text') :
this._applySurround(sel, '`', '`', 'code_text'));
} else {
const preNewline = (sel.pre[-1] !== "\n" && sel.pre !== "") ? "\n" : "";
const postNewline = sel.post[0] !== "\n" ? "\n" : "";
if (hasNewLine) {
return this._addText(sel, `${preNewline}\`\`\`\n${sel.value}\n\`\`\`${postNewline}`);
if (!hasNewLine) {
if (selValue.length === 0 && isBlankLine) {
if (isFourSpacesIndent) {
const example = I18n.t(`composer.code_text`);
this.set('value', `${sel.pre} ${example}${sel.post}`);
return this._selectText(sel.pre.length + 4, example.length);
} else {
return this._applySurround(sel, "```\n", "\n```", 'paste_code_text');
}
} else {
return this._applySurround(sel, `${preNewline}\`\`\`\n`, `\n\`\`\`${postNewline}`, 'paste_code_text');
return this._applySurround(sel, '`', '`', 'code_title');
}
} else {
if (isFourSpacesIndent) {
return this._applySurround(sel, ' ', '', 'code_text');
} else {
const preNewline = (sel.pre[-1] !== "\n" && sel.pre !== "") ? "\n" : "";
const postNewline = sel.post[0] !== "\n" ? "\n" : "";
return this._addText(sel, `${preNewline}\`\`\`\n${sel.value}\n\`\`\`${postNewline}`);
}
}
},

72
test/javascripts/components/d-editor-test.js.es6
View file

@ -293,7 +293,6 @@ componentTest('code button', {
template: '{{d-editor value=value}}',
setup() {
this.siteSettings.code_formatting_style = '4-spaces-indent';
this.set('value', "first line\n\nsecond line\n\nthird line");
},
test(assert) {
@ -301,7 +300,56 @@ componentTest('code button', {
click('button.code');
andThen(() => {
assert.equal(this.get('value'), "first line\n\nsecond line\n\nthird line`" + I18n.t('composer.code_text') + "`");
assert.equal(this.get('value'),
` ${I18n.t('composer.code_text')}`
);
this.set('value', "first line\n\nsecond line\n\nthird line");
textarea.selectionStart = 11;
textarea.selectionEnd = 11;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`first line
${I18n.t('composer.code_text')}
second line
third line`
);
this.set('value', "first line\n\nsecond line\n\nthird line");
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`first line
second line
third line\`${I18n.t('composer.code_title')}\``
);
this.set('value', "first line\n\nsecond line\n\nthird line");
});
andThen(() => {
textarea.selectionStart = 5;
textarea.selectionEnd = 5;
});
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`first\`${I18n.t('composer.code_title')}\` line
second line
third line`
);
this.set('value', "first line\n\nsecond line\n\nthird line");
});
@ -357,8 +405,7 @@ componentTest('code fences', {
assert.equal(this.get('value'),
`\`\`\`
${I18n.t("composer.paste_code_text")}
\`\`\`
`
\`\`\``
);
assert.equal(textarea.selectionStart, 4);
@ -393,16 +440,13 @@ third line
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`\`\`\`
${I18n.t('composer.paste_code_text')}
\`\`\`
first line
`\`${I18n.t('composer.code_title')}\`first line
second line
third line`
);
assert.equal(textarea.selectionStart, 4);
assert.equal(textarea.selectionEnd, 27);
assert.equal(textarea.selectionStart, 1);
assert.equal(textarea.selectionEnd, I18n.t('composer.code_title').length + 1);
this.set('value', 'first line\nsecond line\nthird line');
@ -413,15 +457,13 @@ third line`
click('button.code');
andThen(() => {
assert.equal(this.get('value'),
`\`\`\`
first line
\`\`\`
`\`first line\`
second line
third line`
);
assert.equal(textarea.selectionStart, 4);
assert.equal(textarea.selectionEnd, 14);
assert.equal(textarea.selectionStart, 1);
assert.equal(textarea.selectionEnd, 11);
this.set('value', 'first line\nsecond line\nthird line');