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Choice widget annotations: core and display layer implementation

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This commit is contained in:
Tim van der Meij 2016-09-25 01:45:49 +02:00
parent 6c263c1994
commit d5d9f362aa
4 changed files with 140 additions and 14 deletions
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68
src/display/annotation_layer.js
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@ -76,6 +76,8 @@ AnnotationElementFactory.prototype =
switch (fieldType) {
case 'Tx':
return new TextWidgetAnnotationElement(parameters);
case 'Ch':
return new ChoiceWidgetAnnotationElement(parameters);
}
return new WidgetAnnotationElement(parameters);
@ -400,9 +402,7 @@ var TextAnnotationElement = (function TextAnnotationElementClosure() {
* @alias WidgetAnnotationElement
*/
var WidgetAnnotationElement = (function WidgetAnnotationElementClosure() {
function WidgetAnnotationElement(parameters) {
var isRenderable = parameters.renderInteractiveForms ||
(!parameters.data.hasAppearance && !!parameters.data.fieldValue);
function WidgetAnnotationElement(parameters, isRenderable) {
AnnotationElement.call(this, parameters, isRenderable);
}
@ -432,7 +432,9 @@ var TextWidgetAnnotationElement = (
var TEXT_ALIGNMENT = ['left', 'center', 'right'];
function TextWidgetAnnotationElement(parameters) {
WidgetAnnotationElement.call(this, parameters);
var isRenderable = parameters.renderInteractiveForms ||
(!parameters.data.hasAppearance && !!parameters.data.fieldValue);
WidgetAnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
@ -528,6 +530,64 @@ var TextWidgetAnnotationElement = (
return TextWidgetAnnotationElement;
})();
/**
* @class
* @alias ChoiceWidgetAnnotationElement
*/
var ChoiceWidgetAnnotationElement = (
function ChoiceWidgetAnnotationElementClosure() {
function ChoiceWidgetAnnotationElement(parameters) {
WidgetAnnotationElement.call(this, parameters,
parameters.renderInteractiveForms);
}
Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
/**
* Render the choice widget annotation's HTML element in the empty
* container.
*
* @public
* @memberof ChoiceWidgetAnnotationElement
* @returns {HTMLSectionElement}
*/
render: function ChoiceWidgetAnnotationElement_render() {
this.container.className = 'choiceWidgetAnnotation';
var selectElement = document.createElement('select');
selectElement.disabled = this.data.readOnly;
if (!this.data.combo) {
// List boxes have a size and (optionally) multiple selection.
selectElement.size = this.data.options.length;
if (this.data.multiSelect) {
selectElement.multiple = true;
}
}
// Insert the options into the choice field.
for (var i = 0, ii = this.data.options.length; i < ii; i++) {
var option = this.data.options[i];
var optionElement = document.createElement('option');
optionElement.textContent = option.displayValue;
optionElement.value = option.exportValue;
if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
optionElement.setAttribute('selected', true);
}
selectElement.appendChild(optionElement);
}
this.container.appendChild(selectElement);
return this.container;
}
});
return ChoiceWidgetAnnotationElement;
})();
/**
* @class
* @alias PopupAnnotationElement