migrate modification list to bindings

.gitignore

@@ -1,3 +1,4 @@
+.DS_Store
 *.class
 /target/
 /out/

web/app/3d/ui/bind.js

@@ -1,26 +1,144 @@
 import {sprintf} from 'sprintf'
 
-export function Bind(dom, data, policy) {
+export const BINDING_CALLBACK = 'OnBind';
+
+export function Bind(node, data, policy) {
   if (!policy) policy = DEFAULT_POLICY;
   const props = Object.getOwnPropertyNames(data);
+  const scope = getScope(node);
   for (let prop of props) {
-    const node = $(dom).find('[data-bind="'+prop+'"]');
-    if (node.length == 0) continue;
+    if (prop == BINDING_CALLBACK) continue;
     let value = data[prop];
-    if (!policy.hideEmptyValue || value || value === 0) {
-      var format = node.attr('bind-format');
-      if (format) {
-        value = sprintf(format, value);
-      }
-      node.text(value);
-      node.show();
+    let bindFunc, subNode;
+    if (Array.isArray(value)) {
+      bindFunc = BindArray;
+      subNode = scope.nestedScopes[prop];
+    } else if (typeof value === 'object') {
+      bindFunc = Bind;
+      subNode = scope.nestedScopes[prop];
     } else {
-      node.text('');
-      node.hide();
+      bindFunc = BindContent;
+      subNode = scope.bindings[prop];
+    }
+    if (!subNode) continue;
+    bindFunc(subNode, value, policy);
+  }
+  var callback = data[BINDING_CALLBACK];
+  if (callback) {
+    callback(node, data, policy)
+  }
+}
+
+export function BindArray(node, array, policy, path) {
+  let template = node.data("BindingTemplate");
+  if (!template) {
+    template = node.children();
+    template.detach();
+    node.data("BindingTemplate", template);
+  }
+  let scope = getScope(node);
+  node.children().detach();
+  clearScope(node);
+
+  for (let value of array) {
+    let child = scope.nestedScopes[value.id];
+    if (!child) {
+      child = template.clone();
+    } else {
+      delete scope.nestedScopes[value.id];
+    }
+    child.attr('data-bind-scope', value.id);
+    Bind(child, value, policy);
+    node.append(child);
+  }
+  for (let toDelete of Object.getOwnPropertyNames(scope.nestedScopes)) {
+    scope.nestedScopes[toDelete].remove();
+  }
+}
+
+export function BindContent(node, value, policy) {
+  if (!policy.hideEmptyValue || value || value === 0) {
+    var format = node.attr('data-bind-format');
+    if (format == '') {
+      format = node.text();
+      node.attr('data-bind-format', format);
+    }
+    if (format) {
+      value = sprintf(format, value);
+    }
+    node.text(value);
+    node.show();
+  } else {
+    node.text('');
+    node.hide();
+  }
+}
+
+
+function clearScope(dom) {
+  dom.removeData('BindingScope');
+}
+
+function getScope(dom) {
+  let scope = dom.data('BindingScope');
+  if (!scope) {
+    scope = index(dom);
+    dom.data('BindingScope', scope);
+  }
+  return scope;
+}
+
+function index(dom) {
+  const scope = new Scope();
+  //do bfs
+  const queue = [];
+  function advance(node) {
+    var binding = node.attr('data-bind');
+    if (binding) {
+      scope.bindings[binding] = node;
+    }
+    node.children().each((i, e) => queue.push($(e)))
+  }
+  advance(dom);  
+  while (queue.length != 0) {
+    let node = queue.shift();
+    var nestedScope = node.attr('data-bind-scope');
+    if (nestedScope) {
+      scope.nestedScopes[nestedScope] = node;
+    } else {
+      advance(node); 
     }
   }
+  
+  return scope;
 }
 
 const DEFAULT_POLICY = {
   hideEmptyValue: true
 };
+
+export function Scope() {
+  this.bindings = {};
+  this.nestedScopes = {};
+}
+
+function example(dom) {
+  let initState = {
+    title : 'this is title',
+    users : [
+      {id: 1, name: 'Peach', email: 'Peach@ooo.com'},
+      {id: 2, name: 'Melon', email: 'Melon@ooo.com'},
+      {id: 3, name: 'Berry', email: 'Berry@ooo.com'},
+      {id: 4, name: 'Apple', email: 'Apple@ooo.com'},
+      {id: 5, name: 'Banana', email: 'Banana@ooo.com'}
+    ]
+  };
+
+  Bind(dom, initState);
+  //reordering, removing, updating provided attributes
+  Bind(dom, {users: [ {id:3}, {id:1, name: 'Peach-Beach'}, {id:2} ]});
+  //only content update
+  Bind(dom, {users: {
+    '3' : {name: 'updated', email: 'light@update.com'}
+  }});
+}

web/app/3d/ui/ctrl.js

@@ -11,6 +11,8 @@ import {PlaneWizard} from '../wizards/plane'
 import {BoxWizard} from '../wizards/box'
 import {SphereWizard} from '../wizards/sphere'
 import {TransformWizard} from '../wizards/transform'
+import {LoadTemplate} from './utils'
+import {BindArray} from './bind'
 
 function UI(app) {
   this.app = app;
@@ -20,10 +22,11 @@ function UI(app) {
   $('#right-panel').append(mainBox.root);
   var modelFolder = new tk.Folder("Model");
   var modificationsFolder = new tk.Folder("Modifications");
+  var modificationsDom = $(LoadTemplate('modifications')({}));
+
   tk.add(mainBox, modelFolder);
   tk.add(mainBox, modificationsFolder);
-  var modificationsListComp = new tk.List();
-  tk.add(modificationsFolder, modificationsListComp);
+  modificationsFolder.content.append(modificationsDom);
 
   var toolbarVertOffset = 10; //this.mainBox.root.position().top;
 
@@ -51,7 +54,7 @@ function UI(app) {
     var craft = ui.app.craft;
     var historyEditMode = craft.historyPointer != craft.history.length;
     if (historyEditMode) {
-      var rows = modificationsListComp.root.find('.tc-row');
+      var rows = modificationsDom.find('.tc-row');
       rows.removeClass('history-selected');
       rows.eq(craft.historyPointer).addClass('history-selected');
       var op = craft.history[craft.historyPointer];
@@ -63,20 +66,20 @@ function UI(app) {
   }
   
   this.app.bus.subscribe("craft", function() {
-    modificationsListComp.root.empty();
-    for (var i = 0; i < app.craft.history.length; i++) {
-      var op = app.craft.history[i];
-      var row = modificationsListComp.addRow(ui.getInfoForOp(op));
-      var icon = UI.getIconForOp(op);
-      if (icon != null) {
-        tk.List.setIconForRow(row, icon);
-      }
-      (function(i) {
-        row.click(function () {
-          ui.app.craft.historyPointer = i;
-        })
-      })(i);
+    let modifications = [];
+    for (let i = 0; i < app.craft.history.length; i++) {
+      let op = app.craft.history[i];
+      let m = {
+        id : i,
+        info: ui.getInfoForOp(op),
+        OnBind : (dom, data) => {
+          dom.css('background-image', 'url('+ UI.getIconForOp(op)+')');
+          dom.click(() => ui.app.craft.historyPointer = data.id);
+        }
+      };
+      modifications.push(m);
     }
+    BindArray(modificationsDom, modifications);
     updateHistoryPointer();
   });
 

web/app/3d/ui/tmpl/action-info.html

@@ -1,5 +1,5 @@
 <div class="action-info">
   <div class="action-info-hint" data-bind="hint"></div>
   <div class="action-info-info" data-bind="info"></div>
-  <div class="action-info-hotkey" data-bind="hotKey" bind-format="hotkey: %s"></div>
+  <div class="action-info-hotkey" data-bind="hotKey" data-bind-format>hotkey: %s</div>
 </div>

web/app/ui/toolkit.js

@@ -172,15 +172,12 @@ export function ButtonRow(captions, actions) {
 }
 
 export function List() {
-  this.root = $('<div/>', {'class': 'tc-tree'});
+  this.root = $('<div/>', {'class': 'tc-list'});
 }
 
 List.prototype.addRow = function(name) {
   var row = $('<div/>', {
-    text: name, 'class': 'tc-row tc-pseudo-btn',
-    css: {
-      'margin-left': '10px'
-    }
+    text: name, 'class': 'tc-row tc-pseudo-btn'
   });
   this.root.append(row);
   return row;
@@ -188,12 +185,7 @@ List.prototype.addRow = function(name) {
 
 List.setIconForRow = function(row, icon) {
   row.css({
-    'background-image' : 'url('+icon+')',
-    'background-position-y': 'center',
-    'background-position-x': '5px',
-    'background-repeat': 'no-repeat',
-    'background-size': '16px 16px',
-    'padding-left' : '25px'
+    'background-image' : 'url('+icon+')'
   });
 };
 

web/css/toolkit.css

@@ -176,3 +176,11 @@
     color: #aaa;
     background-color: #888;
 }
+
+.tc-list .tc-row {
+    background-position-y: center;
+    background-position-x: 5px;
+    background-repeat: no-repeat;
+    background-size: 16px 16px;
+    padding-left : 25px;    
+}