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Add support for negative positions
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README.md
20
README.md
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@ -138,11 +138,25 @@ Get current tab icon URL / icon.
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#### `tab.setPosition(newPosition)`
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#### `tab.setPosition(newPosition)`
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Move tab to the specified position.
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Move tab to the specified position. A negative value is an offset from the right.
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#### `tab.getPosition()`
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To move a tab to the leftmost position:
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Get the tab position.
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```javascript
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tab.setPosition(1);
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```
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> Note: a position of 0 also moves the tab to the leftmost position
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To move a tab to the rightmost position:
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```javascript
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tab.setPosition(-1);
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```
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#### `tab.getPosition(fromRight)`
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Get the tab position. If `fromRight` is true, then the index returned is negative and is the offset from the right.
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#### `tab.activate()`
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#### `tab.activate()`
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66
index.js
66
index.js
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@ -209,6 +209,51 @@ class Tab extends EventEmitter {
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return this.icon;
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return this.icon;
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}
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}
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setPosition (newPosition) {
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let tabContainer = this.tabGroup.tabContainer;
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let tabs = tabContainer.children;
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let oldPosition = this.getPosition();
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if (newPosition < 0) {
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newPosition += tabContainer.childElementCount;
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if (newPosition < 0) {
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newPosition = 0;
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}
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} else {
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if (newPosition > tabContainer.childElementCount) {
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newPosition = tabContainer.childElementCount;
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}
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// Make 1 be leftmost position
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newPosition--;
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}
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if (newPosition > oldPosition) {
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newPosition++;
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}
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tabContainer.insertBefore(tabs[oldPosition], tabs[newPosition]);
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return this;
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}
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getPosition (fromRight) {
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let position = 0;
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let tab = this.tab;
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while ((tab = tab.previousSibling) != null) position++;
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if (fromRight === true) {
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position -= this.tabGroup.tabContainer.childElementCount;
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}
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if (position === 0) {
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position = 1;
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}
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return position;
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}
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activate () {
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activate () {
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if (this.isClosed) return;
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if (this.isClosed) return;
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let activeTab = this.tabGroup.getActiveTab();
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let activeTab = this.tabGroup.getActiveTab();
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@ -271,27 +316,6 @@ class Tab extends EventEmitter {
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TabGroupPrivate.activateRecentTab.bind(tabGroup)();
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TabGroupPrivate.activateRecentTab.bind(tabGroup)();
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}
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}
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}
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}
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getPosition () {
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let i = 0;
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let tab = this.tab;
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while ((tab = tab.previousSibling) != null) i++;
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return i;
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}
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setPosition (newPosition) {
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let tabContainer = this.tabGroup.tabContainer;
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let tabs = tabContainer.children;
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let oldPosition = this.getPosition();
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if (newPosition > oldPosition) {
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newPosition++;
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}
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tabContainer.insertBefore(tabs[oldPosition], tabs[newPosition]);
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return this;
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}
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}
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}
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const TabPrivate = {
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const TabPrivate = {
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