Make the gerrit module interactive

* Add ability to select and open reviews
* Add more keyboard shortcuts
* Fix issue - focus shortcut letter wasn't displayed on the title area
* Cleanup some code

_site/content/posts/modules/gerrit.md

@@ -33,55 +33,87 @@ wtf/gerrit/
 <span class="caption">Key:</span> `l` <br />
 <span class="caption">Action:</span> Show the next project.
 
+<span class="caption">Key:</span> `j` <br />
+<span class="caption">Action:</span> Select the next review in the list.
+
+<span class="caption">Key:</span> `k` <br />
+<span class="caption">Action:</span> Select the previous review in the list.
+
+<span class="caption">Key:</span> `r` <br />
+<span class="caption">Action:</span> Refresh the data.
+
 <span class="caption">Key:</span> `←` <br />
 <span class="caption">Action:</span> Show the previous project.
 
 <span class="caption">Key:</span> `→` <br />
 <span class="caption">Action:</span> Show the next project.
 
+<span class="caption">Key:</span> `↓` <br />
+<span class="caption">Action:</span> Select the next review in the list.
+
+<span class="caption">Key:</span> `↑` <br />
+<span class="caption">Action:</span> Select the previous review in the list.
+
+<span class="caption">Key:</span> `[return]` <br />
+<span class="caption">Action:</span> Open the selected review in the browser.
+
 ## Configuration
 
 ```yaml
 gerrit:
+  colors:
+    rows:
+      even: "lightblue"
+      odd: "white"
+  domain: https://gerrit-review.googlesource.com
   enabled: true
+  password: "mypassword"
   position:
     top: 2
     left: 3
     height: 2
     width: 2
-  refreshInterval: 300
-  domain: https://gerrit-review.googlesource.com
   projects:
   - org/test-project"
   - dotfiles
-  password: "mypassword"
+  refreshInterval: 300
   username: "myname"
   verifyServerCertificate: false
 ```
 
 ### Attributes
 
-`enabled` <br />
+`colors.rows.even` <br />
-Determines whether or not this module is executed and if its data displayed onscreen. <br />
+Define the foreground color for even-numbered rows. <br />
-Values: `true`, `false`.
+Values: Any <a href="https://en.wikipedia.org/wiki/X11_color_names">X11
+color name</a>.
 
-`position` <br />
+`colors.rows.odd` <br />
-Defines where in the grid this module's widget will be displayed. <br />
+Define the foreground color for odd-numbered rows. <br />
-
+Values: Any <a href="https://en.wikipedia.org/wiki/X11_color_names">X11
-`refreshInterval` <br />
+color name</a>.
-How often, in seconds, this module will update its data. <br />
-Values: A positive integer, `0..n`.
 
 `domain` <br />
 Your Gerrit corporate domain. <br />
 Values: A valid URI.
 
-`projects` <br />
+`enabled` <br />
-A list of Gerrit project names to fetch data for. <br />
+Determines whether or not this module is executed and if its data displayed onscreen. <br />
+Values: `true`, `false`.
 
 `password` <br />
 Value: Your <a href="https://gerrit-review.googlesource.com/Documentation/user-upload.html#http">Gerrit HTTP Password</a>.
 
+`position` <br />
+Defines where in the grid this module's widget will be displayed. <br />
+
+`projects` <br />
+A list of Gerrit project names to fetch data for. <br />
+
+`refreshInterval` <br />
+How often, in seconds, this module will update its data. <br />
+Values: A positive integer, `0..n`.
+
 `username` <br />
 Your Gerrit username.
 

docs/index.xml

@@ -85,8 +85,8 @@ My Outgoing Reviews All open reviews created by you.
 Source Code wtf/gerrit/ Keyboard Commands Key: / Action: Open/close the widget’s help window.
 Key: h Action: Show the previous project.
 Key: l Action: Show the next project.
-Key: ← Action: Show the previous project.
+Key: j Action: Select the next review in the list.
-Key: → Action: Show the next project.</description>
+Key: k Action: Select the previous review in the list.</description>
     </item>
     
     <item>

docs/posts/index.xml

@@ -85,8 +85,8 @@ My Outgoing Reviews All open reviews created by you.
 Source Code wtf/gerrit/ Keyboard Commands Key: / Action: Open/close the widget’s help window.
 Key: h Action: Show the previous project.
 Key: l Action: Show the next project.
-Key: ← Action: Show the previous project.
+Key: j Action: Select the next review in the list.
-Key: → Action: Show the next project.</description>
+Key: k Action: Select the previous review in the list.</description>
     </item>
     
     <item>

docs/posts/modules/gerrit/index.html

@@ -162,51 +162,83 @@ height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
 <p><span class="caption">Key:</span> <code>l</code> <br />
 <span class="caption">Action:</span> Show the next project.</p>
 
+<p><span class="caption">Key:</span> <code>j</code> <br />
+<span class="caption">Action:</span> Select the next review in the list.</p>
+
+<p><span class="caption">Key:</span> <code>k</code> <br />
+<span class="caption">Action:</span> Select the previous review in the list.</p>
+
+<p><span class="caption">Key:</span> <code>r</code> <br />
+<span class="caption">Action:</span> Refresh the data.</p>
+
 <p><span class="caption">Key:</span> <code>←</code> <br />
 <span class="caption">Action:</span> Show the previous project.</p>
 
 <p><span class="caption">Key:</span> <code>→</code> <br />
 <span class="caption">Action:</span> Show the next project.</p>
 
+<p><span class="caption">Key:</span> <code>↓</code> <br />
+<span class="caption">Action:</span> Select the next review in the list.</p>
+
+<p><span class="caption">Key:</span> <code>↑</code> <br />
+<span class="caption">Action:</span> Select the previous review in the list.</p>
+
+<p><span class="caption">Key:</span> <code>[return]</code> <br />
+<span class="caption">Action:</span> Open the selected review in the browser.</p>
+
 <h2 id="configuration">Configuration</h2>
 <div class="highlight"><pre class="chroma"><code class="language-yaml" data-lang="yaml">gerrit<span class="p">:</span><span class="w">
+</span><span class="w">  </span>colors<span class="p">:</span><span class="w">
+</span><span class="w">    </span>rows<span class="p">:</span><span class="w">
+</span><span class="w">      </span>even<span class="p">:</span><span class="w"> </span><span class="s2">&#34;lightblue&#34;</span><span class="w">
+</span><span class="w">      </span>odd<span class="p">:</span><span class="w"> </span><span class="s2">&#34;white&#34;</span><span class="w">
+</span><span class="w">  </span>domain<span class="p">:</span><span class="w"> </span>https<span class="p">:</span>//gerrit-review.googlesource.com<span class="w">
 </span><span class="w">  </span>enabled<span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w">
+</span><span class="w">  </span>password<span class="p">:</span><span class="w"> </span><span class="s2">&#34;mypassword&#34;</span><span class="w">
 </span><span class="w">  </span>position<span class="p">:</span><span class="w">
 </span><span class="w">    </span>top<span class="p">:</span><span class="w"> </span><span class="m">2</span><span class="w">
 </span><span class="w">    </span>left<span class="p">:</span><span class="w"> </span><span class="m">3</span><span class="w">
 </span><span class="w">    </span>height<span class="p">:</span><span class="w"> </span><span class="m">2</span><span class="w">
 </span><span class="w">    </span>width<span class="p">:</span><span class="w"> </span><span class="m">2</span><span class="w">
-</span><span class="w">  </span>refreshInterval<span class="p">:</span><span class="w"> </span><span class="m">300</span><span class="w">
-</span><span class="w">  </span>domain<span class="p">:</span><span class="w"> </span>https<span class="p">:</span>//gerrit-review.googlesource.com<span class="w">
 </span><span class="w">  </span>projects<span class="p">:</span><span class="w">
 </span><span class="w">  </span>-<span class="w"> </span>org/test-project<span class="s2">&#34;
 </span><span class="s2">  - dotfiles
-</span><span class="s2">  password: &#34;</span>mypassword<span class="s2">&#34;
+</span><span class="s2">  refreshInterval: 300
 </span><span class="s2">  username: &#34;</span>myname&#34;<span class="w">
 </span><span class="w">  </span>verifyServerCertificate<span class="p">:</span><span class="w"> </span><span class="kc">false</span></code></pre></div>
 <h3 id="attributes">Attributes</h3>
 
-<p><code>enabled</code> <br />
+<p><code>colors.rows.even</code> <br />
-Determines whether or not this module is executed and if its data displayed onscreen. <br />
+Define the foreground color for even-numbered rows. <br />
-Values: <code>true</code>, <code>false</code>.</p>
+Values: Any <a href="https://en.wikipedia.org/wiki/X11_color_names">X11
+color name</a>.</p>
 
-<p><code>position</code> <br />
+<p><code>colors.rows.odd</code> <br />
-Defines where in the grid this module&rsquo;s widget will be displayed. <br /></p>
+Define the foreground color for odd-numbered rows. <br />
-
+Values: Any <a href="https://en.wikipedia.org/wiki/X11_color_names">X11
-<p><code>refreshInterval</code> <br />
+color name</a>.</p>
-How often, in seconds, this module will update its data. <br />
-Values: A positive integer, <code>0..n</code>.</p>
 
 <p><code>domain</code> <br />
 Your Gerrit corporate domain. <br />
 Values: A valid URI.</p>
 
-<p><code>projects</code> <br />
+<p><code>enabled</code> <br />
-A list of Gerrit project names to fetch data for. <br /></p>
+Determines whether or not this module is executed and if its data displayed onscreen. <br />
+Values: <code>true</code>, <code>false</code>.</p>
 
 <p><code>password</code> <br />
 Value: Your <a href="https://gerrit-review.googlesource.com/Documentation/user-upload.html#http">Gerrit HTTP Password</a>.</p>
 
+<p><code>position</code> <br />
+Defines where in the grid this module&rsquo;s widget will be displayed. <br /></p>
+
+<p><code>projects</code> <br />
+A list of Gerrit project names to fetch data for. <br /></p>
+
+<p><code>refreshInterval</code> <br />
+How often, in seconds, this module will update its data. <br />
+Values: A positive integer, <code>0..n</code>.</p>
+
 <p><code>username</code> <br />
 Your Gerrit username.</p>
 

gerrit/display.go

@@ -14,7 +14,7 @@ func (widget *Widget) display() {
 		return
 	}
 
-	widget.View.SetTitle(fmt.Sprintf("%s- %s", widget.Name, widget.title(project)))
+	widget.View.SetTitle(widget.ContextualTitle(fmt.Sprintf("%s- %s", widget.Name, widget.title(project))))
 
 	str := wtf.SigilStr(len(widget.GerritProjects), widget.Idx, widget.View) + "\n"
 	str = str + " [red]Stats[white]\n"
@@ -29,31 +29,27 @@ func (widget *Widget) display() {
 	widget.View.SetText(str)
 }
 
-func (widget *Widget) displayMyOutgoingReviews(project *GerritProject, username string) string {
+func (widget *Widget) displayMyIncomingReviews(project *GerritProject, username string) string {
-	ors := project.myOutgoingReviews(username)
+	if len(project.IncomingReviews) == 0 {
-
-	if len(ors) == 0 {
 		return " [grey]none[white]\n"
 	}
 
 	str := ""
-	for _, r := range ors {
+	for idx, r := range project.IncomingReviews {
-		str = str + fmt.Sprintf(" [green]%4s[white] %s\n", r.ChangeID, r.Subject)
+		str = str + fmt.Sprintf(" [%s] [green]%d[white] [%s] %s\n", widget.rowColor(idx), r.Number, widget.rowColor(idx), r.Subject)
 	}
 
 	return str
 }
 
-func (widget *Widget) displayMyIncomingReviews(project *GerritProject, username string) string {
+func (widget *Widget) displayMyOutgoingReviews(project *GerritProject, username string) string {
-	irs := project.myIncomingReviews(username)
+	if len(project.OutgoingReviews) == 0 {
-
-	if len(irs) == 0 {
 		return " [grey]none[white]\n"
 	}
 
 	str := ""
-	for _, r := range irs {
+	for idx, r := range project.OutgoingReviews {
-		str = str + fmt.Sprintf(" [green]%4s[white] %s\n", r.ChangeID, r.Subject)
+		str = str + fmt.Sprintf(" [%s] [green]%d[white] [%s] %s\n", widget.rowColor(idx+len(project.IncomingReviews)), r.Number, widget.rowColor(idx+len(project.IncomingReviews)), r.Subject)
 	}
 
 	return str
@@ -62,12 +58,22 @@ func (widget *Widget) displayMyIncomingReviews(project *GerritProject, username
 func (widget *Widget) displayStats(project *GerritProject) string {
 	str := fmt.Sprintf(
 		" Reviews: %d\n",
-		project.ReviewCount(),
+		project.ReviewCount,
 	)
 
 	return str
 }
 
+func (widget *Widget) rowColor(index int) string {
+	if widget.View.HasFocus() && (index == widget.selected) {
+		foreColor := wtf.Config.UString("wtf.colors.highlight.fore", "black")
+		backColor := wtf.Config.UString("wtf.colors.highlight.back", "orange")
+
+		return fmt.Sprintf("%s:%s", foreColor, backColor)
+	}
+	return wtf.RowColor("gerrit", index)
+}
+
 func (widget *Widget) title(project *GerritProject) string {
 	return fmt.Sprintf("[green]%s [white]", project.Path)
 }

gerrit/gerrit_repo.go

@@ -2,6 +2,7 @@ package gerrit
 
 import (
 	glb "github.com/andygrunwald/go-gerrit"
+	"github.com/senorprogrammer/wtf/wtf"
 )
 
 type GerritProject struct {
@@ -9,6 +10,9 @@ type GerritProject struct {
 	Path   string
 
 	Changes         *[]glb.ChangeInfo
+	ReviewCount     int
+	IncomingReviews []glb.ChangeInfo
+	OutgoingReviews []glb.ChangeInfo
 }
 
 func NewGerritProject(path string, gerrit *glb.Client) *GerritProject {
@@ -22,67 +26,65 @@ func NewGerritProject(path string, gerrit *glb.Client) *GerritProject {
 
 // Refresh reloads the gerrit data via the Gerrit API
 func (project *GerritProject) Refresh() {
+	username := wtf.Config.UString("wtf.mods.gerrit.username")
 	project.Changes, _ = project.loadChanges()
+
+	project.ReviewCount = project.countReviews(project.Changes)
+	project.IncomingReviews = project.myIncomingReviews(project.Changes, username)
+	project.OutgoingReviews = project.myOutgoingReviews(project.Changes, username)
+
 }
 
 /* -------------------- Counts -------------------- */
 
-func (project *GerritProject) IssueCount() int {
+func (project *GerritProject) countReviews(changes *[]glb.ChangeInfo) int {
-	if project.Changes == nil {
+	if changes == nil {
 		return 0
 	}
 
-	return len(*project.Changes)
+	return len(*changes)
-}
-
-func (project *GerritProject) ReviewCount() int {
-	if project.Changes == nil {
-		return 0
-	}
-
-	return len(*project.Changes)
 }
 
 /* -------------------- Unexported Functions -------------------- */
 
 // myOutgoingReviews returns a list of my outgoing reviews created by username on this project
-func (project *GerritProject) myOutgoingReviews(username string) []glb.ChangeInfo {
+func (project *GerritProject) myOutgoingReviews(changes *[]glb.ChangeInfo, username string) []glb.ChangeInfo {
-	changes := []glb.ChangeInfo{}
+	var ors []glb.ChangeInfo
 
-	if project.Changes == nil {
+	if changes == nil {
-		return changes
+		return ors
 	}
 
-	for _, change := range *project.Changes {
+	for _, change := range *changes {
 		user := change.Owner
 
 		if user.Username == username {
-			changes = append(changes, change)
+			ors = append(ors, change)
 		}
 	}
 
-	return changes
+	return ors
 }
 
 // myIncomingReviews returns a list of merge requests for which username has been requested to ChangeInfo
-func (project *GerritProject) myIncomingReviews(username string) []glb.ChangeInfo {
+func (project *GerritProject) myIncomingReviews(changes *[]glb.ChangeInfo, username string) []glb.ChangeInfo {
-	changes := []glb.ChangeInfo{}
+	var irs []glb.ChangeInfo
 
-	if project.Changes == nil {
+	if changes == nil {
-		return changes
+		return irs
 	}
 
-	for _, change := range *project.Changes {
+	for _, change := range *changes {
 		reviewers := change.Reviewers
 
 		for _, reviewer := range reviewers["REVIEWER"] {
 			if reviewer.Username == username {
-				changes = append(changes, change)
+				irs = append(irs, change)
 			}
 		}
 	}
 
-	return changes
+	return irs
 }
 
 func (project *GerritProject) loadChanges() (*[]glb.ChangeInfo, error) {

gerrit/widget.go

@@ -17,12 +17,18 @@ const HelpText = `
   Keyboard commands for Gerrit:
 
     /: Show/hide this help window
-    h: Previous project
+    h: Show the previous project
-    l: Next project
+    l: Show the next project
+    j: Select the next review in the list
+    k: Select the previous review in the list
     r: Refresh the data
 
-    arrow left:  Previous project
+    arrow left:  Show the previous project
-    arrow right: Next project
+    arrow right: Show the next project
+    arrow down:  Select the next review in the list
+	arrow up:    Select the previous review in the list
+    
+	return: Open the selected review in a browser
 `
 
 type Widget struct {
@@ -33,6 +39,7 @@ type Widget struct {
 
 	GerritProjects []*GerritProject
 	Idx            int
+	selected       int
 }
 
 var (
@@ -85,6 +92,7 @@ func NewWidget(app *tview.Application, pages *tview.Pages) *Widget {
 	widget.GerritProjects = widget.buildProjectCollection(wtf.Config.UList("wtf.mods.gerrit.projects"))
 
 	widget.View.SetInputCapture(widget.keyboardIntercept)
+	widget.unselect()
 
 	return &widget
 }
@@ -100,25 +108,65 @@ func (widget *Widget) Refresh() {
 	widget.display()
 }
 
-func (widget *Widget) Next() {
+/* -------------------- Unexported Functions -------------------- */
+
+func (widget *Widget) nextProject() {
 	widget.Idx = widget.Idx + 1
+	widget.unselect()
 	if widget.Idx == len(widget.GerritProjects) {
 		widget.Idx = 0
 	}
 
-	widget.display()
+	widget.unselect()
 }
 
-func (widget *Widget) Prev() {
+func (widget *Widget) prevProject() {
 	widget.Idx = widget.Idx - 1
 	if widget.Idx < 0 {
 		widget.Idx = len(widget.GerritProjects) - 1
 	}
 
+	widget.unselect()
+}
+
+func (widget *Widget) nextReview() {
+	widget.selected++
+	project := widget.GerritProjects[widget.Idx]
+	if widget.selected >= project.ReviewCount {
+		widget.selected = 0
+	}
+
 	widget.display()
 }
 
-/* -------------------- Unexported Functions -------------------- */
+func (widget *Widget) prevReview() {
+	widget.selected--
+	project := widget.GerritProjects[widget.Idx]
+	if widget.selected < 0 {
+		widget.selected = project.ReviewCount - 1
+	}
+
+	widget.display()
+}
+
+func (widget *Widget) openReview() {
+	sel := widget.selected
+	project := widget.GerritProjects[widget.Idx]
+	if sel >= 0 && sel < project.ReviewCount {
+		change := glb.ChangeInfo{}
+		if sel < len(project.IncomingReviews) {
+			change = project.IncomingReviews[sel]
+		} else {
+			change = project.OutgoingReviews[sel-len(project.IncomingReviews)]
+		}
+		wtf.OpenFile(fmt.Sprintf("%s/%s/%d", wtf.Config.UString("wtf.mods.gerrit.domain"), "#/c", change.Number))
+	}
+}
+
+func (widget *Widget) unselect() {
+	widget.selected = -1
+	widget.display()
+}
 
 func (widget *Widget) buildProjectCollection(projectData []interface{}) []*GerritProject {
 	gerritProjects := []*GerritProject{}
@@ -149,10 +197,16 @@ func (widget *Widget) keyboardIntercept(event *tcell.EventKey) *tcell.EventKey {
 		widget.ShowHelp()
 		return nil
 	case "h":
-		widget.Prev()
+		widget.prevProject()
 		return nil
 	case "l":
-		widget.Next()
+		widget.nextProject()
+		return nil
+	case "j":
+		widget.nextReview()
+		return nil
+	case "k":
+		widget.prevReview()
 		return nil
 	case "r":
 		widget.Refresh()
@@ -161,11 +215,23 @@ func (widget *Widget) keyboardIntercept(event *tcell.EventKey) *tcell.EventKey {
 
 	switch event.Key() {
 	case tcell.KeyLeft:
-		widget.Prev()
+		widget.prevProject()
 		return nil
 	case tcell.KeyRight:
-		widget.Next()
+		widget.nextProject()
 		return nil
+	case tcell.KeyDown:
+		widget.nextReview()
+		return nil
+	case tcell.KeyUp:
+		widget.prevReview()
+		return nil
+	case tcell.KeyEnter:
+		widget.openReview()
+		return nil
+	case tcell.KeyEsc:
+		widget.unselect()
+		return event
 	default:
 		return event
 	}