termui: allow to change the bug query

3 files changed, 71 insertions, 14 deletions

diff --git a/termui/bug_table.go b/termui/bug_table.go
index 6ee44b42..59252b48 100644
--- a/termui/bug_table.go
+++ b/termui/bug_table.go
@@ -16,10 +16,12 @@ const bugTableHeaderView = "bugTableHeaderView"
 const bugTableFooterView = "bugTableFooterView"
 const bugTableInstructionView = "bugTableInstructionView"
 
-const remote = "origin"
+const defaultRemote = "origin"
+const defaultQuery = "status:open"
 
 type bugTable struct {
 	repo         *cache.RepoCache
+	queryStr     string
 	query        *cache.Query
 	allIds       []string
 	bugs         []*cache.BugCache
@@ -28,12 +30,15 @@ type bugTable struct {
 }
 
 func newBugTable(c *cache.RepoCache) *bugTable {
+	query, err := cache.ParseQuery(defaultQuery)
+	if err != nil {
+		panic(err)
+	}
+
 	return &bugTable{
-		repo: c,
-		query: &cache.Query{
-			OrderBy:        cache.OrderByCreation,
-			OrderDirection: cache.OrderAscending,
-		},
+		repo:         c,
+		query:        query,
+		queryStr:     defaultQuery,
 		pageCursor:   0,
 		selectCursor: 0,
 	}
@@ -197,6 +202,12 @@ func (bt *bugTable) keybindings(g *gocui.Gui) error {
 		return err
 	}
 
+	// Query
+	if err := g.SetKeybinding(bugTableView, 'q', gocui.ModNone,
+		bt.changeQuery); err != nil {
+		return err
+	}
+
 	return nil
 }
 
@@ -390,10 +401,10 @@ func (bt *bugTable) openBug(g *gocui.Gui, v *gocui.View) error {
 func (bt *bugTable) pull(g *gocui.Gui, v *gocui.View) error {
 	// Note: this is very hacky
 
-	ui.msgPopup.Activate("Pull from remote "+remote, "...")
+	ui.msgPopup.Activate("Pull from remote "+defaultRemote, "...")
 
 	go func() {
-		stdout, err := bt.repo.Fetch(remote)
+		stdout, err := bt.repo.Fetch(defaultRemote)
 
 		if err != nil {
 			g.Update(func(gui *gocui.Gui) error {
@@ -410,7 +421,7 @@ func (bt *bugTable) pull(g *gocui.Gui, v *gocui.View) error {
 		var buffer bytes.Buffer
 		beginLine := ""
 
-		for merge := range bt.repo.MergeAll(remote) {
+		for merge := range bt.repo.MergeAll(defaultRemote) {
 			if merge.Status == bug.MsgMergeNothing {
 				continue
 			}
@@ -447,11 +458,11 @@ func (bt *bugTable) pull(g *gocui.Gui, v *gocui.View) error {
 }
 
 func (bt *bugTable) push(g *gocui.Gui, v *gocui.View) error {
-	ui.msgPopup.Activate("Push to remote "+remote, "...")
+	ui.msgPopup.Activate("Push to remote "+defaultRemote, "...")
 
 	go func() {
 		// TODO: make the remote configurable
-		stdout, err := bt.repo.Push(remote)
+		stdout, err := bt.repo.Push(defaultRemote)
 
 		if err != nil {
 			g.Update(func(gui *gocui.Gui) error {
@@ -468,3 +479,7 @@ func (bt *bugTable) push(g *gocui.Gui, v *gocui.View) error {
 
 	return nil
 }
+
+func (bt *bugTable) changeQuery(g *gocui.Gui, v *gocui.View) error {
+	return editQueryWithEditor(bt)
+}
diff --git a/termui/input_popup.go b/termui/input_popup.go
index 00e602e5..c8299d2a 100644
--- a/termui/input_popup.go
+++ b/termui/input_popup.go
@@ -8,10 +8,12 @@ import (
 
 const inputPopupView = "inputPopupView"
 
+// inputPopup is a simple popup with an input field
 type inputPopup struct {
-	active bool
-	title  string
-	c      chan string
+	active  bool
+	title   string
+	preload string
+	c       chan string
 }
 
 func newInputPopup() *inputPopup {
@@ -53,6 +55,7 @@ func (ip *inputPopup) layout(g *gocui.Gui) error {
 		v.Frame = true
 		v.Title = ip.title
 		v.Editable = true
+		v.Write([]byte(ip.preload))
 	}
 
 	if _, err := g.SetCurrentView(inputPopupView); err != nil {
@@ -88,6 +91,11 @@ func (ip *inputPopup) validate(g *gocui.Gui, v *gocui.View) error {
 	return nil
 }
 
+func (ip *inputPopup) ActivateWithContent(title string, content string) <-chan string {
+	ip.preload = content
+	return ip.Activate(title)
+}
+
 func (ip *inputPopup) Activate(title string) <-chan string {
 	ip.title = title
 	ip.active = true
diff --git a/termui/termui.go b/termui/termui.go
index 879ec2ea..54324c61 100644
--- a/termui/termui.go
+++ b/termui/termui.go
@@ -262,6 +262,40 @@ func setTitleWithEditor(bug *cache.BugCache) error {
 	return errTerminateMainloop
 }
 
+func editQueryWithEditor(bt *bugTable) error {
+	// This is somewhat hacky.
+	// As there is no way to pause gocui, run the editor and restart gocui,
+	// we have to stop it entirely and start a new one later.
+	//
+	// - an error channel is used to route the returned error of this new
+	// 		instance into the original launch function
+	// - a custom error (errTerminateMainloop) is used to terminate the original
+	//		instance's mainLoop. This error is then filtered.
+
+	ui.g.Close()
+	ui.g = nil
+
+	queryStr, err := input.QueryEditorInput(bt.repo.Repository(), bt.queryStr)
+
+	if err != nil {
+		return err
+	}
+
+	bt.queryStr = queryStr
+
+	query, err := cache.ParseQuery(queryStr)
+
+	if err != nil {
+		ui.msgPopup.Activate(msgPopupErrorTitle, err.Error())
+	} else {
+		bt.query = query
+	}
+
+	initGui(nil)
+
+	return errTerminateMainloop
+}
+
 func maxInt(a, b int) int {
 	if a > b {
 		return a