layout file - initial commit - work in progress

layout-files-examples/2-3-grid.json

@@ -0,0 +1,30 @@
+{
+	"tab1": [
+		{
+			"children": [
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				}
+			]
+		},
+		{
+			"children": [
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				}
+			]
+		}
+	]
+}

layout-files-examples/2-columns.json

@@ -0,0 +1,11 @@
+{
+	"vertical": false,
+	"tab1": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	]
+}

layout-files-examples/3-rows.json

@@ -0,0 +1,13 @@
+{
+	"tab1": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	]
+}

layout-files-examples/3-tabs-2-rows.json

@@ -0,0 +1,26 @@
+{
+	"tab1": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	],
+	"tab2": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	],
+	"tab3": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	]
+}

layout-files-examples/3-tabs-3-columns.json

@@ -0,0 +1,36 @@
+{
+	"vertical": false,
+	"tab1": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	],
+	"tab2": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	],
+	"tab3": [
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		},
+		{
+			"command": "bash"
+		}
+	]
+}

layout-files-examples/4-4-grid.json

@@ -0,0 +1,30 @@
+{
+	"tab1": [
+		{
+			"children": [
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				}
+			]
+		},
+		{
+			"children": [
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				},
+				{
+					"command": "bash"
+				}
+			]
+		}
+	]
+}

terminatorlib/layoutfile.py

@@ -0,0 +1,124 @@
+from .util import dbg, err
+from os import path
+import sys
+import json
+import traceback
+
+class LayoutFile(object):
+    def build_single_tab_layout(self, layoutjson, vertical):
+        dbg ('Budiling a single tab layout from json: %s ' % layoutjson)
+        
+        result = {
+            'root': {
+                'type': 'Window'
+            }
+        }
+        
+        if len(layoutjson) == 1:
+            self.build_terminal_layout(layoutjson, result, 'root', 0)
+        else:
+            self.build_container_layout(layoutjson, result, 'root', 0, vertical)
+        
+        return result
+    
+    def build_multi_tab_layout(self, layoutjson, vertical):
+        dbg ('Budiling multi tabs layout from json: %s ' % layoutjson)
+        
+        tabs = {
+            'type': 'Notebook',
+            'parent': 'root',
+            'labels': []
+        }
+        
+        result = {
+            'root': {
+                'type': 'Window'
+            },
+            'tabs': tabs
+        }
+        
+        counter = 0
+        
+        for tab in layoutjson:
+            tabs['labels'].append(tab)
+            if len(layoutjson[tab]) == 1:
+                self.build_terminal_layout(layoutjson[tab][0], result, 'tabs', counter)
+            else:
+                self.build_container_layout(layoutjson[tab], result, 'tabs', counter, vertical)
+            counter += 1
+        
+        return result
+    
+    def build_terminal_layout(self, layoutjson, children, parent, order):
+        dbg ('Building a terminal from json: %s' % layoutjson)
+        
+        children[parent + "." + str(order)] = {
+            'type': 'Terminal',
+            'order': order,
+            'parent': parent,
+            'command': layoutjson['command']
+        }
+    
+    def build_container_layout(self, layoutjson, children, parent, order, vertical):
+        dbg ('Building %s layout from json: %s' % ("vertical" if vertical else "horizental", layoutjson))
+        
+        counter = 0
+        actualparent = parent
+        
+        for pane in layoutjson:
+            if counter < (len(layoutjson) - 1):
+                containername = parent + "." + str(order) + "." + str(counter)
+                ratio = (100 / (len(layoutjson) - counter)) / 100
+                children[containername] = {
+                    'type': 'VPaned' if vertical else 'HPaned',
+                    'order': order + counter,
+                    'ratio': round(ratio, 2),
+                    'parent': actualparent
+                }
+                actualparent = containername
+            
+            if 'children' in pane:
+                if len(pane['children']) == 1:
+                    self.build_terminal_layout(pane, pane['children'], containername, counter)
+                else:
+                    self.build_container_layout(pane['children'], children, containername, counter, False if vertical else True)
+            else:
+                self.build_terminal_layout(pane, children, containername, counter)
+            
+            counter += 1
+    
+    def get_layout_file(self, layoutname):
+        if (not path.exists(layoutname)):
+            return None
+        
+        dbg('Loading layout from a file: %s' % layoutname)
+        
+        layoutjson = None
+        
+        try:
+            with open(layoutname) as json_file:
+                layoutjson = json.load(json_file)
+        except Exception as ex:
+            err('Error loading layout file %s (%s)' % (layoutname, ex))
+            return None
+        
+        try:
+            vertical = True
+            if "vertical" in layoutjson:
+                vertical = layoutjson["vertical"]
+                del layoutjson["vertical"]
+            
+            result = None
+            
+            if len(layoutjson) == 1:
+                firstitem = next(iter(layoutjson.values()))
+                result = self.build_single_tab_layout(firstitem, vertical)
+            else:
+                result = self.build_multi_tab_layout(layoutjson, vertical)
+            
+            dbg('Json layout is: %s' % result)
+            return result
+        except Exception as ex:
+            err('Error building a layout from file %s (%s)' % (layoutname, ex))
+            traceback.print_exc(ex)
+            return None

terminatorlib/terminator.py

@@ -16,6 +16,7 @@ from .keybindings import Keybindings
 from .util import dbg, err, enumerate_descendants
 from .factory import Factory
 from .version import APP_NAME, APP_VERSION
+from .layoutfile import LayoutFile
 
 try:
     from gi.repository import GdkX11
@@ -227,10 +228,13 @@ class Terminator(Borg):
 
         layout = copy.deepcopy(self.config.layout_get_config(layoutname))
         if not layout:
-            # User specified a non-existent layout. default to one Terminal
+            layoutfile = LayoutFile()
-            err('layout %s not defined' % layout)
+            layout = layoutfile.get_layout_file(layoutname)
-            self.new_window()
+            if not layout:
-            return
+                # User specified a non-existent layout. default to one Terminal
+                err('layout %s not defined' % layout)
+                self.new_window()
+                return
 
         # Wind the flat objects into a hierarchy
         hierarchy = {}