添加图形化界面撤销、复制、粘贴、删除等功能

frontend/package-lock.json

@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "dependencies": {
         "@xyflow/react": "^12.11.2",
+        "lucide-react": "^1.24.0",
         "react": "^19.2.7",
         "react-dom": "^19.2.7"
       },
@@ -1287,6 +1288,15 @@
         "url": "https://opencollective.com/parcel"
       }
     },
+    "node_modules/lucide-react": {
+      "version": "1.24.0",
+      "resolved": "https://registry.npmjs.org/lucide-react/-/lucide-react-1.24.0.tgz",
+      "integrity": "sha512-YT6mBD8lGKkg4nM39enlm94/sfJIiW0YKUT60fBy4YK8tai31ylg1VhGNWxkpSKHo9UagfnZqwIff3HTDQwXeA==",
+      "license": "ISC",
+      "peerDependencies": {
+        "react": "^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/nanoid": {
       "version": "3.3.15",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.15.tgz",

frontend/package.json

@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "@xyflow/react": "^12.11.2",
+    "lucide-react": "^1.24.0",
     "react": "^19.2.7",
     "react-dom": "^19.2.7"
   },

frontend/src/styles.css

@@ -20,13 +20,14 @@ body,
 
 button,
 input,
+select,
 textarea {
   font: inherit;
 }
 
 .app-shell {
   display: grid;
-  grid-template-rows: 72px minmax(0, 1fr);
+  grid-template-rows: auto 42px minmax(0, 1fr);
   width: 100%;
   height: 100%;
 }
@@ -36,7 +37,8 @@ textarea {
   align-items: center;
   justify-content: space-between;
   gap: 16px;
-  padding: 0 14px;
+  min-height: 72px;
+  padding: 8px 14px;
   border-bottom: 1px solid #cfd8e3;
   background: #ffffff;
 }
@@ -60,6 +62,24 @@ textarea {
   gap: 8px;
 }
 
+.save-indicator {
+  min-width: 112px;
+  color: #64748b;
+  font-size: 11px;
+  text-align: center;
+}
+
+.visually-hidden {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
 .primary-button,
 .secondary-button {
   height: 32px;
@@ -104,6 +124,106 @@ textarea {
   color: #1f2933;
 }
 
+.editor-toolbar {
+  position: relative;
+  z-index: 20;
+  display: flex;
+  align-items: center;
+  gap: 7px;
+  min-width: 0;
+  padding: 5px 12px;
+  overflow: visible;
+  border-bottom: 1px solid #cfd8e3;
+  background: #f5f7f9;
+}
+
+.toolbar-group {
+  display: flex;
+  align-items: center;
+  gap: 3px;
+}
+
+.toolbar-separator {
+  width: 1px;
+  height: 22px;
+  background: #cbd3dd;
+}
+
+.toolbar-item {
+  position: relative;
+  display: inline-flex;
+}
+
+.toolbar-item::after {
+  position: absolute;
+  top: calc(100% + 7px);
+  left: 50%;
+  z-index: 50;
+  padding: 5px 7px;
+  border: 1px solid #aeb8c5;
+  border-radius: 4px;
+  color: #ffffff;
+  background: #263442;
+  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.18);
+  content: attr(data-tooltip);
+  font-size: 11px;
+  font-weight: 500;
+  letter-spacing: 0;
+  line-height: 1;
+  opacity: 0;
+  pointer-events: none;
+  transform: translate(-50%, -2px);
+  transition: opacity 120ms ease, transform 120ms ease;
+  white-space: nowrap;
+}
+
+.toolbar-item:hover::after,
+.toolbar-item:focus-within::after {
+  opacity: 1;
+  transform: translate(-50%, 0);
+}
+
+.editor-tool-button {
+  display: grid;
+  place-items: center;
+  width: 30px;
+  height: 30px;
+  padding: 0;
+  border: 1px solid transparent;
+  border-radius: 4px;
+  color: #344252;
+  background: transparent;
+  cursor: pointer;
+}
+
+.editor-tool-button:hover:not(:disabled) {
+  border-color: #bcc7d4;
+  color: #17212b;
+  background: #ffffff;
+}
+
+.editor-tool-button:focus-visible {
+  outline: 2px solid #1d6fb8;
+  outline-offset: 1px;
+}
+
+.editor-tool-button:disabled {
+  color: #9ba6b2;
+  cursor: not-allowed;
+  opacity: 0.62;
+}
+
+.editor-tool-button.active {
+  border-color: #1d6fb8;
+  color: #155a94;
+  background: #dceefa;
+  box-shadow: inset 0 0 0 1px rgba(29, 111, 184, 0.08);
+}
+
+.editor-tool-button.accent:not(.active) {
+  color: #26724a;
+}
+
 .workbench {
   display: grid;
   grid-template-columns: 230px minmax(0, 1fr) 330px;
@@ -191,6 +311,70 @@ textarea {
   background: #f8fafc;
 }
 
+.component-drag-preview {
+  position: fixed;
+  top: -1000px;
+  left: -1000px;
+  z-index: -1;
+  display: grid;
+  grid-template-rows: 30px 12px;
+  place-items: center;
+  width: 72px;
+  height: 58px;
+  padding: 5px 6px 4px;
+  border: 1px solid #7c8998;
+  border-radius: 5px;
+  color: #1f2933;
+  background: #ffffff;
+  box-shadow: 0 2px 5px rgba(15, 23, 42, 0.16);
+  pointer-events: none;
+}
+
+.component-drag-preview .palette-icon {
+  width: 28px;
+  height: 28px;
+  border-width: 1.5px;
+}
+
+.component-drag-preview .icon-pipe {
+  width: 34px;
+  height: 10px;
+}
+
+.component-drag-preview .icon-orifice {
+  width: 22px;
+  height: 22px;
+}
+
+.component-drag-preview .icon-tee {
+  width: 30px;
+  height: 28px;
+}
+
+.component-drag-preview .icon-tee::before {
+  top: 10px;
+  width: 30px;
+  height: 8px;
+  border-width: 1.5px;
+}
+
+.component-drag-preview .icon-tee::after {
+  left: 10px;
+  width: 8px;
+  height: 28px;
+  border-width: 1.5px;
+}
+
+.component-drag-preview-label {
+  max-width: 60px;
+  overflow: hidden;
+  font-size: 9px;
+  font-weight: 650;
+  line-height: 12px;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .icon-cylinder {
   border-radius: 13px;
   background: #dbeafe;
@@ -241,11 +425,44 @@ textarea {
 }
 
 .flow-canvas {
+  position: relative;
   min-width: 0;
   min-height: 0;
   background: #f8fafc;
 }
 
+.recovery-banner button {
+  min-width: 48px;
+  height: 28px;
+  padding: 0 8px;
+  border: 1px solid #c2ccda;
+  border-radius: 4px;
+  color: #263442;
+  background: #ffffff;
+  cursor: pointer;
+}
+
+.recovery-banner {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 7px 9px;
+  border: 1px solid #d5a52e;
+  border-radius: 6px;
+  color: #713f12;
+  background: #fffbeb;
+  box-shadow: 0 2px 8px rgba(120, 53, 15, 0.12);
+  font-size: 12px;
+  font-weight: 650;
+}
+
+.recovery-banner button {
+  min-width: 42px;
+  border-color: #d5a52e;
+  color: #713f12;
+  background: #ffffff;
+}
+
 .flow-canvas .react-flow__pane,
 .flow-canvas .react-flow__pane.selection,
 .flow-canvas .react-flow__node.selectable,
@@ -279,6 +496,16 @@ textarea {
   box-shadow: 0 0 0 3px rgba(29, 111, 184, 0.15);
 }
 
+.react-flow__node.validation-error .sim-node {
+  border-color: #c63b32;
+  box-shadow: 0 0 0 3px rgba(198, 59, 50, 0.14);
+}
+
+.react-flow__node.validation-warning .sim-node {
+  border-color: #c08a16;
+  box-shadow: 0 0 0 3px rgba(192, 138, 22, 0.14);
+}
+
 .node-symbol {
   height: 28px;
 }
@@ -378,13 +605,40 @@ textarea {
   font-weight: 400;
 }
 
-.field input {
+.field input,
+.field select {
   width: 100%;
   height: 34px;
   padding: 0 9px;
   border: 1px solid #c2ccda;
   border-radius: 6px;
   color: #1f2933;
+  background: #ffffff;
+}
+
+.field select {
+  padding: 0 7px;
+}
+
+.parameter-control {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) 76px;
+  gap: 6px;
+}
+
+.parameter-control.unitless {
+  grid-template-columns: minmax(0, 1fr);
+}
+
+.field.invalid input,
+.field.invalid select {
+  border-color: #c63b32;
+}
+
+.field-error {
+  color: #b42318;
+  font-size: 11px;
+  font-weight: 500;
 }
 
 .node-id {
@@ -400,6 +654,68 @@ textarea {
   font-size: 13px;
 }
 
+.validation-section {
+  padding: 10px 12px;
+  border-bottom: 1px solid #e3e8ef;
+  background: #fffdf9;
+}
+
+.validation-heading {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  margin-bottom: 8px;
+  font-size: 12px;
+}
+
+.validation-heading span {
+  color: #9a6700;
+  font-size: 11px;
+  font-weight: 500;
+}
+
+.validation-list {
+  display: grid;
+  gap: 6px;
+}
+
+.validation-item {
+  display: grid;
+  grid-template-columns: 36px minmax(0, 1fr);
+  gap: 7px;
+  align-items: start;
+  width: 100%;
+  padding: 7px;
+  border: 1px solid #e5c0bd;
+  border-radius: 5px;
+  color: #7a271a;
+  text-align: left;
+  background: #fff7f6;
+  cursor: pointer;
+}
+
+.validation-item.warning {
+  border-color: #ead59a;
+  color: #713f12;
+  background: #fffbeb;
+}
+
+.validation-item:disabled {
+  cursor: default;
+}
+
+.validation-item span {
+  font-size: 10px;
+  font-weight: 700;
+}
+
+.validation-item strong {
+  overflow-wrap: anywhere;
+  font-size: 11px;
+  line-height: 1.45;
+}
+
 .xml-output {
   width: calc(100% - 24px);
   min-height: 220px;