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Text widget annotations: support multiline and read-only fields

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Moreover, this patch provides us with a framework for handling field
flags in general for all types of widget annotations.
This commit is contained in:
Tim van der Meij 2016-09-14 16:32:51 +02:00
parent a7c35025fe
commit f6965fadc0
4 changed files with 76 additions and 7 deletions
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28
src/core/annotation.js
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@ -33,6 +33,7 @@
coreColorSpace, coreObj, coreEvaluator) {
var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
var AnnotationFieldFlag = sharedUtil.AnnotationFieldFlag;
var AnnotationFlag = sharedUtil.AnnotationFlag;
var AnnotationType = sharedUtil.AnnotationType;
var OPS = sharedUtil.OPS;
@ -621,9 +622,13 @@ var WidgetAnnotation = (function WidgetAnnotationClosure() {
data.defaultAppearance = Util.getInheritableProperty(dict, 'DA') || '';
var fieldType = Util.getInheritableProperty(dict, 'FT');
data.fieldType = isName(fieldType) ? fieldType.name : null;
data.fieldFlags = Util.getInheritableProperty(dict, 'Ff') || 0;
this.fieldResources = Util.getInheritableProperty(dict, 'DR') || Dict.empty;
data.fieldFlags = Util.getInheritableProperty(dict, 'Ff');
if (!isInt(data.fieldFlags) || data.fieldFlags < 0) {
data.fieldFlags = 0;
}
// Hide signatures because we cannot validate them.
if (data.fieldType === 'Sig') {
this.setFlags(AnnotationFlag.HIDDEN);
@ -662,7 +667,22 @@ var WidgetAnnotation = (function WidgetAnnotationClosure() {
data.fullName = fieldName.join('.');
}
Util.inherit(WidgetAnnotation, Annotation, {});
Util.inherit(WidgetAnnotation, Annotation, {
/**
* Check if a provided field flag is set.
*
* @public
* @memberof WidgetAnnotation
* @param {number} flag - Bit position, numbered from one instead of
* zero, to check
* @return {boolean}
* @see {@link shared/util.js}
*/
hasFieldFlag: function WidgetAnnotation_hasFieldFlag(flag) {
var mask = 1 << (flag - 1);
return !!(this.data.fieldFlags & mask);
},
});
return WidgetAnnotation;
})();
@ -684,6 +704,10 @@ var TextWidgetAnnotation = (function TextWidgetAnnotationClosure() {
maximumLength = null;
}
this.data.maxLen = maximumLength;
// Process field flags for the display layer.
this.data.readOnly = this.hasFieldFlag(AnnotationFieldFlag.READONLY);
this.data.multiLine = this.hasFieldFlag(AnnotationFieldFlag.MULTILINE);
}
Util.inherit(TextWidgetAnnotation, WidgetAnnotation, {