Polymer elements added to third_party/polymer.

third_party/polymer/components/paper-input/paper-input.html

Index: third_party/polymer/components/paper-input/paper-input.html
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+<!--
+Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
+The complete set of authors may be found at http://polymer.github.io/AUTHORS
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
+-->
+
+<!--
+`paper-input` is a single- or multi-line text field where user can enter input.
+It can optionally have a label.
+
+Example:
+
+    <paper-input label="Your Name"></paper-input>
+    <paper-input multiline label="Enter multiple lines here"></paper-input>
+
+Theming
+--------
+
+Set `CoreStyle.g.paperInput.focusedColor` and `CoreStyle.g.paperInput.invalidColor` to theme
+the focused and invalid states.
+
+@group Paper Elements
+@element paper-input
+@extends core-input
+@homepage github.io
+-->
+<link href="../polymer/polymer.html" rel="import">
+<link href="../core-input/core-input.html" rel="import">
+<link href="../core-style/core-style.html" rel="import">
+
+<core-style id="paper-input">
+
+#label.focused,
+#floatedLabel.focused {
+  color: {{g.paperInput.focusedColor}};
+}
+
+#underlineHighlight.focused,
+#caretInner {
+  background-color: {{g.paperInput.focusedColor}};
+}
+
+#error,
+:host(.invalid) #label.focused,
+:host(.invalid) #floatedLabel.focused {
+  color: {{g.paperInput.invalidColor}};
+}
+:host(.invalid) #underlineHighlight.focused,
+:host(.invalid) #caretInner {
+  background-color: {{g.paperInput.invalidColor}};
+}
+
+</core-style>
+
+<polymer-element name="paper-input" extends="core-input" attributes="label floatingLabel maxRows error" on-down="{{downAction}}" on-up="{{upAction}}">
+
+  <template>
+
+    <link href="paper-input.css" rel="stylesheet">
+
+    <core-style ref="paper-input"></core-style>
+
+    <div id="floatedLabel" class="hidden" hidden?="{{!floatingLabel}}"><span id="floatedLabelSpan">{{label}}</span></div>
+
+    <div id="container" on-transitionend="{{transitionEndAction}}" on-webkitTransitionEnd="{{transitionEndAction}}">
+
+      <div id="label"><span id="labelSpan">{{label}}</span></div>
+
+      <div id="inputContainer">
+
+        <div id="inputClone">
+          <span id="inputCloneSpan" aria-hidden="true">&nbsp;</span>
+        </div>
+
+        <template if="{{multiline}}">
+          <div id="minInputHeight"></div>
+          <div id="maxInputHeight"></div>
+        </template>
+
+        <shadow></shadow>
+
+      </div>
+
+      <div id="underlineContainer">
+        <div id="underline"></div>
+        <div id="underlineHighlight" class="focusedColor"></div>
+      </div>
+
+      <div id="caret">
+        <div id="caretInner" class="focusedColor"></div>
+      </div>
+
+    </div>
+
+    <div id="errorContainer">
+      <div id="error" role="alert" aria-hidden="{{!invalid}}">{{error || validationMessage}}</div>
+      <div id="errorIcon"></div>
+    </div>
+
+  </template>
+
+  <script>
+
+  (function() {
+
+    var paperInput = CoreStyle.g.paperInput = CoreStyle.g.paperInput || {};
+    paperInput.focusedColor = '#4059a9';
+    paperInput.invalidColor = '#d34336';
+
+    Polymer('paper-input', {
+
+      /**
+       * The label for this input. It normally appears as grey text inside
+       * the text input and disappears once the user enters text.
+       *
+       * @attribute label
+       * @type string
+       * @default ''
+       */
+      label: '',
+
+      /**
+       * If true, the label will "float" above the text input once the
+       * user enters text instead of disappearing.
+       *
+       * @attribute floatingLabel
+       * @type boolean
+       * @default false
+       */
+      floatingLabel: false,
+
+      /**
+       * (multiline only) If set to a non-zero value, the height of this
+       * text input will grow with the value changes until it is maxRows
+       * rows tall. If the maximum size does not fit the value, the text
+       * input will scroll internally.
+       *
+       * @attribute maxRows
+       * @type number
+       * @default 0
+       */
+      maxRows: 0,
+
+      /**
+       * The message to display if the input value fails validation. If this
+       * is unset or the empty string, a default message is displayed depending
+       * on the type of validation error.
+       *
+       * @attribute error
+       * @type string
+       */
+      error: '',
+
+      focused: false,
+      pressed: false,
+
+      attached: function() {
+        if (this.multiline) {
+          this.resizeInput();
+          window.requestAnimationFrame(function() {
+            this.$.underlineContainer.classList.add('animating');
+          }.bind(this));
+        }
+      },
+
+      resizeInput: function() {
+        var height = this.$.inputClone.getBoundingClientRect().height;
+        var bounded = this.maxRows > 0 || this.rows > 0;
+        if (bounded) {
+          var minHeight = this.$.minInputHeight.getBoundingClientRect().height;
+          var maxHeight = this.$.maxInputHeight.getBoundingClientRect().height;
+          height = Math.max(minHeight, Math.min(height, maxHeight));
+        }
+        this.$.inputContainer.style.height = height + 'px';
+        this.$.underlineContainer.style.top = height + 'px';
+      },
+
+      prepareLabelTransform: function() {
+        var toRect = this.$.floatedLabelSpan.getBoundingClientRect();
+        var fromRect = this.$.labelSpan.getBoundingClientRect();
+        if (toRect.width !== 0) {
+          this.$.label.cachedTransform = 'scale(' + (toRect.width / fromRect.width) + ') ' +
+            'translateY(' + (toRect.bottom - fromRect.bottom) + 'px)';
+        }
+      },
+
+      toggleLabel: function(force) {
+        var v = force !== undefined ? force : this.inputValue;
+
+        if (!this.floatingLabel) {
+          this.$.label.classList.toggle('hidden', v);
+        }
+
+        if (this.floatingLabel && !this.focused) {
+          this.$.label.classList.toggle('hidden', v);
+          this.$.floatedLabel.classList.toggle('hidden', !v);
+        }
+      },
+
+      rowsChanged: function() {
+        if (this.multiline && !isNaN(parseInt(this.rows))) {
+          this.$.minInputHeight.innerHTML = '';
+          for (var i = 0; i < this.rows; i++) {
+            this.$.minInputHeight.appendChild(document.createElement('br'));
+          }
+          this.resizeInput();
+        }
+      },
+
+      maxRowsChanged: function() {
+        if (this.multiline && !isNaN(parseInt(this.maxRows))) {
+          this.$.maxInputHeight.innerHTML = '';
+          for (var i = 0; i < this.maxRows; i++) {
+            this.$.maxInputHeight.appendChild(document.createElement('br'));
+          }
+          this.resizeInput();
+        }
+      },
+
+      inputValueChanged: function() {
+        this.super();
+
+        if (this.multiline) {
+          var escaped = this.inputValue.replace(/\n/gm, '<br>');
+          if (!escaped || escaped.lastIndexOf('<br>') === escaped.length - 4) {
+            escaped += '&nbsp';
+          }
+          this.$.inputCloneSpan.innerHTML = escaped;
+          this.resizeInput();
+        }
+
+        this.toggleLabel();
+      },
+
+      labelChanged: function() {
+        if (this.floatingLabel && this.$.floatedLabel && this.$.label) {
+          // If the element is created programmatically, labelChanged is called before
+          // binding. Run the measuring code in async so the DOM is ready.
+          this.async(function() {
+            this.prepareLabelTransform();
+          });
+        }
+      },
+
+      placeholderChanged: function() {
+        this.label = this.placeholder;
+      },
+
+      inputFocusAction: function() {
+        if (!this.pressed) {
+          if (this.floatingLabel) {
+            this.$.floatedLabel.classList.remove('hidden');
+            this.$.floatedLabel.classList.add('focused');
+            this.$.floatedLabel.classList.add('focusedColor');
+          }
+          this.$.label.classList.add('hidden');
+          this.$.underlineHighlight.classList.add('focused');
+          this.$.caret.classList.add('focused');
+
+          this.super(arguments);
+        }
+        this.focused = true;
+      },
+
+      shouldFloatLabel: function() {
+        // if type = number, the input value is the empty string until a valid number
+        // is entered so we must do some hacks here
+        return this.inputValue || (this.type === 'number' && !this.validity.valid);
+      },
+
+      inputBlurAction: function() {
+        this.super(arguments);
+
+        this.$.underlineHighlight.classList.remove('focused');
+        this.$.caret.classList.remove('focused');
+
+        if (this.floatingLabel) {
+          this.$.floatedLabel.classList.remove('focused');
+          this.$.floatedLabel.classList.remove('focusedColor');
+          if (!this.shouldFloatLabel()) {
+            this.$.floatedLabel.classList.add('hidden');
+          }
+        }
+
+        // type = number hack. see core-input for more info
+        if (!this.shouldFloatLabel()) {
+          this.$.label.classList.remove('hidden');
+          this.$.label.classList.add('animating');
+          this.async(function() {
+            this.$.label.style.webkitTransform = 'none';
+            this.$.label.style.transform = 'none';
+          });
+        }
+
+        this.focused = false;
+      },
+
+      downAction: function(e) {
+        if (this.disabled) {
+          return;
+        }
+
+        if (this.focused) {
+          return;
+        }
+
+        this.pressed = true;
+        var rect = this.$.underline.getBoundingClientRect();
+        var right = e.x - rect.left;
+        this.$.underlineHighlight.style.webkitTransformOriginX = right + 'px';
+        this.$.underlineHighlight.style.transformOriginX = right + 'px';
+        this.$.underlineHighlight.classList.remove('focused');
+        this.underlineAsync = this.async(function() {
+          this.$.underlineHighlight.classList.add('pressed');
+        }, null, 200);
+
+        // No caret animation if there is text in the input.
+        if (!this.inputValue) {
+          this.$.caret.classList.remove('focused');
+        }
+      },
+
+      upAction: function(e) {
+        if (this.disabled) {
+          return;
+        }
+
+        if (!this.pressed) {
+          return;
+        }
+
+        // if a touchevent caused the up, the synthentic mouseevents will blur
+        // the input, make sure to prevent those from being generated.
+        if (e._source === 'touch') {
+          e.preventDefault();
+        }
+
+        if (this.underlineAsync) {
+          clearTimeout(this.underlineAsync);
+          this.underlineAsync = null;
+        }
+
+        // Focus the input here to bring up the virtual keyboard.
+        this.$.input.focus();
+        this.pressed = false;
+        this.animating = true;
+
+        this.$.underlineHighlight.classList.remove('pressed');
+        this.$.underlineHighlight.classList.add('animating');
+        this.async(function() {
+          this.$.underlineHighlight.classList.add('focused');
+        });
+
+        // No caret animation if there is text in the input.
+        if (!this.inputValue) {
+          this.$.caret.classList.add('animating');
+          this.async(function() {
+            this.$.caret.classList.add('focused');
+          }, null, 100);
+        }
+
+        if (this.floatingLabel) {
+          this.$.label.classList.add('focusedColor');
+          this.$.label.classList.add('animating');
+          if (!this.$.label.cachedTransform) {
+            this.prepareLabelTransform();
+          }
+          this.$.label.style.webkitTransform = this.$.label.cachedTransform;
+          this.$.label.style.transform = this.$.label.cachedTransform;
+        }
+      },
+
+      keydownAction: function() {
+        this.super();
+
+        // more type = number hacks. see core-input for more info
+        if (this.type === 'number') {
+          this.async(function() {
+            if (!this.inputValue) {
+              this.toggleLabel(!this.validity.valid);
+            }
+          });
+        }
+      },
+
+      keypressAction: function() {
+        if (this.animating) {
+          this.transitionEndAction();
+        }
+      },
+
+      transitionEndAction: function(e) {
+        this.animating = false;
+        if (this.pressed) {
+          return;
+        }
+
+        if (this.focused) {
+
+          if (this.floatingLabel || this.inputValue) {
+            this.$.label.classList.add('hidden');
+          }
+
+          if (this.floatingLabel) {
+            this.$.label.classList.remove('focusedColor');
+            this.$.label.classList.remove('animating');
+            this.$.floatedLabel.classList.remove('hidden');
+            this.$.floatedLabel.classList.add('focused');
+            this.$.floatedLabel.classList.add('focusedColor');
+          }
+
+          this.async(function() {
+            this.$.underlineHighlight.classList.remove('animating');
+            this.$.caret.classList.remove('animating');
+          }, null, 100);
+
+        } else {
+
+          this.$.label.classList.remove('animating');
+
+        }
+      }
+
+    });
+
+  }());
+
+  </script>
+
+</polymer-element>